Frontier Airlines (English Wikipedia)

"A318". Airbus.com. Airbus. June 16, 2021. Retrieved October 10, 2023.
"Orders and Deliveries | Airbus". www.airbus.com. Retrieved February 16, 2026.

airlinegeeks.com (Global: low place; English: 7,023^rd place)

"Frontier Plans Early Exit for 24 A320neos". February 11, 2026. Retrieved February 11, 2026.
McMurtry, Ian (February 18, 2018). "A Lost Frontier: The Adventures of Frontier Airlines into Regional Jet Flying". airlinegeeks.com. Retrieved December 13, 2025.
Ewing, Ryan (April 17, 2025). "NTSB Probing A321neo Hard Landing". Retrieved May 17, 2025.

airlinespolicy.com (Global: low place; English: low place)

"Frontier Airlines Check in". February 24, 2020. Retrieved October 16, 2023.
"Frontier Airlines Cancellation Policy". February 28, 2023. Retrieved October 16, 2023.

anna.aero (Global: low place; English: low place)

"Frontier Airlines' route droppings revealed; 23 airport pairs no longer served". anna.aero. October 11, 2017. Archived from the original on December 10, 2022. Retrieved January 11, 2019.

aviation-safety.net (Global: 383^rd place; English: 385^th place)

Ranter, Harro. "Incident Airbus A320-214 (WL) N227FR, 30 Nov 2018". aviation-safety.net. Retrieved May 31, 2021.

aviationpros.com (Global: low place; English: low place)

https://www.aviationpros.com/home/news/10386507/after-a-round-trip-that-took-him-to-air-canada-and-back-president-and-ceo-sean-menke-is-frontier-airlines-new-flying-ace; https://www.9news.com/article/money/business/much-traveled-ex-frontier-airlines-ceo-lands-new-job/73-128834308

aviationweek.com (Global: 1,271^st place; English: 732^nd place)

"Frontier Airlines Trims Fleet Through Lease Terminations, Order Deferrals". February 11, 2026. Retrieved February 16, 2026.
Lott, Steven (April 18, 2005). "Frontier Retires Last Boeing, Predicts Savings From Airbus". Retrieved May 6, 2026.

bizjournals.com (Global: 396^th place; English: 190^th place)

bizjournals.com

"Frontier adds 38th Airbus A319 to its fleet". bizjournals.com. May 3, 2005. Retrieved December 18, 2019.
Leavitt, Noelle; McGaw, Renee (April 11, 2008). "First Data offers regrets about Frontier Airlines". Denver Business Journal. Retrieved April 10, 2008.
Sealover, Ed (December 8, 2009). "More Frontier Airlines jobs leaving Denver". Denver Business Journal. Retrieved April 28, 2018.
"Frontier Airlines owner hints at mergers ahead among low-cost carriers". Denver Business Journal. January 19, 2015. Retrieved April 3, 2015.

denver.bizjournals.com

Harden, Mark. "DIA fare wars: Frontier Airlines offers summer discounts to 7 new destinations." Denver Business Journal. February 15, 2010. Retrieved February 17, 2010. "Frontier is a unit of Republic Airways Holdings Co., based in Indianapolis. Frontier's headquarters will be moving soon to that city."(registration required)

books.google.com (Global: 3^rd place; English: 3^rd place)

Vasigh, Bijan; Fleming, Kenneth; Humphreys, Barry (2014). Foundations of Airline Finance: Methodology and Practice. Routledge. p. 137. ISBN 978-1-317-80249-5. OCLC 895660773 – via Google Books.
Airways: A Global Review of Commercial Flight, Volume 15. Airways International, Incorporated. 2008. p. 15. Retrieved January 28, 2020.

bts.gov (Global: 4,367^th place; English: 2,450^th place)

transtats.bts.gov

"BTS Air Carriers : T-100 Segment (All Carriers)". Retrieved March 14, 2025.

businessinsider.com (Global: 201^st place; English: 139^th place)

Lloyd, Andrew (April 5, 2023). "An airline passenger said she was barred from boarding her flight after a baggage dispute, and documented the saga in a 25-video TikTok series that divided viewers". Business Insider.

businesstravelerusa.com (Global: low place; English: low place)

Smith, Lauren (November 17, 2023). "Frontier Adopts Revenue-Based Frequent Flyer Loyalty Program". Business Traveler USA. Retrieved July 4, 2024.

businesswire.com (Global: 828^th place; English: 485^th place)

"Republic Airways Names New Frontier CEO, President and Interim COO". Business Wire. January 26, 2012. Retrieved October 10, 2023.
"Frontier's Trenton – Orlando Service Takes Flight". Business Wire. November 16, 2012. Archived from the original on November 30, 2014. Retrieved October 12, 2023.
"Frontier Airlines Service from Wilmington/Philadelphia Takes Flight". Business Wire. July 1, 2013. Retrieved October 10, 2023.
"Indigo Partners Completes Acquisition Frontier Airlines" (Press release). Frontier Airlines & Indigo Partners. December 3, 2013. Retrieved April 25, 2018 – via Business Wire.^{[self-published source]}

cbsnews.com (Global: 136^th place; English: 93^rd place)

"Frontier Airlines Cuts Fee For Changing Tickets". CBS News. April 13, 2011. Archived from the original on April 18, 2011. Retrieved October 11, 2023.
Lee, Ann Marie (December 5, 2024). "Airline executives blasted at Senate hearing over carrier fees". CBS News.

centreforaviation.com (Global: 4,001^st place; English: 2,666^th place)

"Frontier Airlines' rapid network changes continue. A return to Philadelphia, now with a ULCC mindset". Insights > Analysis. CAPA—Centre for Aviation. January 14, 2015. Retrieved April 25, 2018.

ch-aviation.com (Global: 2,161^st place; English: 1,378^th place)

"Frontier Airlines on ch-aviation". ch-aviation. Retrieved November 9, 2023.
"US's Indigo Partners orders 255 A321neo Family jets". Ch-Aviation. November 14, 2021.
Nadalet, Ivan (August 7, 2013). "Frontier retires the last American-based A318 from service". ch-aviation.com. Retrieved December 13, 2025.

chron.com (Global: 782^nd place; English: 402^nd place)

Harden, Olivia (May 23, 2023). "'Ridiculous': Frontier admits to controversial carry-on bag policy". Chron.com.

cleveland.com (Global: 700^th place; English: 346^th place)

"Frontier Airlines emerges from bankruptcy". Cleveland. October 1, 2009. Retrieved October 11, 2023.

click2refund.com (Global: low place; English: low place)

"Cheapest Airlines - Budget Carrier Rankings 2025: Who Tops the List and How Much You Can Save". Click 2 Refund. August 15, 2025. Retrieved August 22, 2025.

cnbc.com (Global: 303^rd place; English: 191^st place)

Josephs, Leslie (April 1, 2021). "Frontier Airlines shares fall on first day of trading". CNBC. Retrieved March 7, 2023.
"Budget carrier Frontier Airlines files for an IPO again". CNBC. March 8, 2021.
LeBeau, Phil (February 7, 2022). "Frontier and Spirit to merge creating fifth-largest airline in U.S." CNBC. Retrieved February 7, 2022.
Josephs, Leslie (July 14, 2026). "Frontier Airlines to debut in-flight Wi-Fi in 2027 with SpaceX's Starlink". CNBC. Retrieved July 16, 2026.
Booth, Darren (June 18, 2012). "Frontier Airlines Improves Inflight Entertainment Options". CNBC. Retrieved July 4, 2024.

cnn.com (Global: 36^th place; English: 26^th place)

Maruf, Ramishah (November 26, 2022). "Frontier Airlines no longer has a customer service phone line". CNN Business.
Skores, Alexandra (April 17, 2025). "FAA and NTSB investigating after Frontier Airlines' hard landing in Puerto Rico". CNN travel. Retrieved May 17, 2025.
Tsui, Karina; Goillandeau, Martin; Riess, Rebekah (May 9, 2026). "Person who jumped perimeter fence is hit and killed by Frontier plane during takeoff on Denver runway, airport says". CNN. Retrieved May 9, 2026.

d18rn0p25nwr6d.cloudfront.net (Global: 9,811^th place; English: 8,824^th place)

"Frontier 10-K 2025" (PDF). April 2, 2026.

dailydot.com (Global: 1,514^th place; English: 928^th place)

Bjella, Braden (February 14, 2024). "Woman says she found 'proof' that Frontier Airlines secretly made its bag-check bins smaller so that your personal bag won't fit". The Daily Dot.

dailykos.com (Global: 5,020^th place; English: 2,582^nd place)

Andersen, Mark E (February 17, 2012). "Wisconsin: The Republican 'laser focus' on jobs strikes again". Daily Kos Labor. Archived from the original on October 11, 2023. Retrieved October 10, 2023.

delawarebusinessnow.com (Global: low place; English: low place)

"Frontier plans to launch service from Wilmington-New Castle in mid-November". Delaware Business Now. April 21, 2020. Retrieved May 23, 2015.

delawarebusinesstimes.com (Global: low place; English: low place)

Owens, Jacob (May 13, 2022). "Frontier to leave Wilmington airport – again". Delaware Business Times. Retrieved January 5, 2023.

delawareonline.com (Global: 5,761^st place; English: 3,075^th place)

"Frontier Airlines officially departs Delaware". delawareonline.com. June 26, 2015.

denverpost.com (Global: 937^th place; English: 484^th place)

Vuong, Andy (January 28, 2009). "Frontier reports record profit in December". The Denver Post. Retrieved October 11, 2023.
"Frontier Airlines sale finalized to Indigo Partners LLC". denverpost.com. December 3, 2012. Retrieved December 29, 2012.
Keeney, Laura (May 13, 2015). "David Siegel out as Frontier Airlines CEO". The Denver Post.
Keeney, Laura (April 9, 2015). "FAA records spike in consumer complaints against Frontier Airlines". The Denver Post. Retrieved August 31, 2017.
"Frontier JetExpress ends". Retrieved October 1, 2014.
Yamanouchi, Kelly (September 6, 2006). "Frontier thinking small to go bigger". Denver Post. Retrieved September 7, 2006.

deseret.com (Global: 1,124^th place; English: 531^st place)

"Airline Has New Frontier 8 Years After Mourning". Deseret News. Associated Press. July 4, 1994. Retrieved January 26, 2020.
Associated Press (January 5, 2004). "Frontier chief grows into his role". Deseret News. Retrieved May 14, 2026.

dispatch.com (Global: 2,230^th place; English: 1,076^th place)

Rose, Marla Matzer (June 1, 2016). "Frontier Airlines launches at Port Columbus". The Columbus Dispatch. Retrieved October 11, 2023.

erau.edu (Global: 4,390^th place; English: 2,513^th place)

commons.erau.edu

Bowen, Brent D.; Headley, Dean E. (April 13, 2015). "Airline Quality Rating 2015". Embry-Riddle Aeronautical University. Retrieved August 31, 2017.

faa.gov (Global: 985^th place; English: 575^th place)

faa.gov

Kurywchak, Sharon (March 29, 2018). "ORDER JO 7340.2H Contractions" (PDF). FAA. pp. 3–1–46. Retrieved May 1, 2018.

av-info.faa.gov

"Federal Aviation Administration – Airline Certificate Information – Detail View". av-info.faa.gov. Archived from the original on April 15, 2022. Retrieved June 27, 2019.

finance.yahoo.com (Global: 894^th place; English: 567^th place)

Mandell, Lisa Johnson (October 16, 2010). "Frontier Airlines' Bryan Bedford: Riskiest Undercover Boss Yet". Yahoo Finance. Retrieved October 12, 2023.

flightconnections.com (Global: 9,265^th place; English: 5,747^th place)

"Route map Frontier Airlines". Flightconnections. Retrieved March 1, 2026.

flightglobal.com (Global: 222^nd place; English: 157^th place)

Ranson, Lori. "Republic alludes to A320neo place holder deposit". Flight Global. Retrieved October 12, 2023.
Hemmerdinger, Jon. "Frontier picks P&W engines for first time to power 134 A320neos". Flight Global. Retrieved January 25, 2026.
Dunn, Graham. "Frontier taps Geven for first-class seat". Flight Global. Retrieved January 25, 2026.

flyfrontier.com (Global: low place; English: low place)

news.flyfrontier.com

"Frontier Airlines to Re-Open Pilot Base in Chicago". Frontier Newsroom. November 21, 2023. Retrieved November 22, 2023.
"Frontier Airlines to Open a Crew Base at Cincinnati/Northern Kentucky International Airport". Frontier Newsroom. November 21, 2023. Retrieved November 22, 2023.
"Frontier Airlines to Open a Crew Base at Cleveland Hopkins International Airport". Frontier Newsroom. November 8, 2023. Retrieved November 9, 2023.
"Frontier Airlines to Open a Crew Base at Dallas Fort Worth International Airport".
"Frontier Airlines to Open New Crew Base at Phoenix Sky Harbor International Airport". News.flyfrontier.com. March 1, 2022. Retrieved March 16, 2022.
"Frontier Airlines to Open Crew Base at San Juan's Luis Muñoz Marín International Airport". Frontier Newsroom. January 17, 2024. Retrieved January 17, 2024.
"Corporate Stats & Facts". Frontier Newsroom. Retrieved November 9, 2023.
"Frontier's 2023 "Fur & Feathers" Calendar is Here! Available as a Free Download".
"Frontier Airlines Resumes Codesharing with Mexico-Based Volaris". Frontier Airlines (Press release). May 8, 2024. Retrieved July 4, 2024.
"Frontier Air Announces Huge Expansion with Commitment for 134 Aircraft". Frontier Airlines. Retrieved January 3, 2025.
"Frontier Airlines Announces Huge Expansion with Commitment for 134 Aircraft".
"Frontier Airlines Announces Huge Expansion with Commitment for 134 Aircraft" (Press release). Frontier Airlines. November 15, 2017. Retrieved July 19, 2018.^{[self-published source]}
"Frontier Airlines Launches BizFare for Business Travelers". Frontier Airlines Newsroom. May 8, 2024. Retrieved October 9, 2025.

ir.flyfrontier.com

"Frontier Airlines - Annual Filings - Annual Reports". Frontier Airlines. Retrieved August 14, 2024.
"Summary historical consolidated financial and operating data". Frontier. Retrieved November 13, 2023.
"Frontier Airlines Holdings, Inc. SEC Form S-1 Registration Statement (Amendment No. 3; subject to Completion)". March 3, 2021. Retrieved December 17, 2021.
"Frontier Airlines Reports Fourth Quarter Profit on Strong Revenue and Cost Performance". February 8, 2023.
"Frontier Airlines Holdings, Inc. Fourth Quarter and Full Year 2021 Financial Results". February 7, 2022. Retrieved September 6, 2022.
"Frontier Annual Report / 10-K". flyfrontier.com. February 20, 2024.
"Frontier Airlines Reports Fourth Quarter 2023 Financial Results". Frontier Airlines. February 6, 2024.
"Form 10-K for Frontier Group Holdings INC filed 02/18/2025". ir.flyfrontier.com. Archived from the original on February 11, 2026.
"Frontier Airlines Fleet Plan Chart Nov. 2021". Frontier Airlines.
"Frontier Airlines Q3 Results". October 26, 2023.
"Frontier Airlines 2023 Q3 Results". Frontier Airlines. October 26, 2023.

flyfrontier.com

"About Us". Frontier Airlines. Retrieved August 29, 2018.
"Frontier Announces Major Route Expansion". Frontier Airlines. April 4, 2016.
Frontier Airlines | FlyFrontier.com Livery Archived July 25, 2013, at the Wayback Machine. Flyfrontier.com. Retrieved on August 16, 2013.
"Bundle & Save". Frontier Airlines. Archived from the original on January 9, 2026. Retrieved January 25, 2026.
"Seating Options". Frontier Airlines. Archived from the original on September 16, 2025. Retrieved January 25, 2026.
"New Mileage Program". Frontier Airlines. Retrieved July 20, 2018.
"Earn Miles". Frontier Airlines. Retrieved July 20, 2018.
"Use Miles". Frontier Airlines. Retrieved July 20, 2018.
"Elite Status". Frontier Airlines. Retrieved July 20, 2018.

content.flyfrontier.com

"Animal Tales". Archived from the original on April 24, 2015. Retrieved April 14, 2015.
Frontier Airlines | Animal Tails Archived April 24, 2015, at the Wayback Machine. Flyfrontier.com. Retrieved on April 14, 2015.

flights.flyfrontier.com

"Sitemap: City to City Flights". flights.flyfrontier.com. Retrieved January 5, 2023.

forbes.com (Global: 71^st place; English: 54^th place)

"Frontier Airlines Not Grounded Yet". Forbes. April 11, 2008. Archived from the original on January 28, 2020. Retrieved October 11, 2023.

fortune.com (Global: 647^th place; English: 421^st place)

Groden, Claire (July 14, 2015). "Frontier Airlines' new perk will make you actually want the middle seat". Fortune. Time Inc. Retrieved January 9, 2017.
Bukszpan, Daniel (April 13, 2015). "These are the 5 Worst Airlines in America". Fortune. Retrieved August 31, 2017.

frontierairlines.com (Global: low place; English: low place)

frontierairlines.com

"Fact Sheet". Frontier Airlines. Archived from the original on October 17, 2006. Retrieved November 1, 2006.^{[self-published source]}

media.frontierairlines.com

"Frontier Airlines Offers a Major Sale From a Major Airline!" (Press release). Frontier Airlines. January 24, 2007. Retrieved May 17, 2012.{{cite press release}}: CS1 maint: deprecated archival service (link)^{[self-published source]}

globenewswire.com (Global: 2,858^th place; English: 1,554^th place)

"Frontier Airlines Expands Partnership With Points To Enhance Travel Redemption Program". GlobeNewswire News Room (Press release). February 4, 2019.

go.com (Global: 97^th place; English: 79^th place)

abcnews.go.com

Hoffman, Riley; Magluong, Tristan (October 6, 2024). "Frontier Airlines jet appears to catch fire while landing at Las Vegas airport, FAA and NTSB investigating". ABC News.

inairlinenews.com (Global: low place; English: low place)

InAirlineNews.com Archived September 10, 2014, at the Wayback Machine. Retrieved on September 9, 2014.

independent.co.uk (Global: 46^th place; English: 29^th place)

Whitehead, Joanna (March 13, 2023). "Frontier Airlines admits it pays agents a bonus for charging passengers for oversized baggage". The Independent.

kdvr.com (Global: low place; English: 8,459^th place)

"Frontier Airlines to outsource 1,160 airport, reservations jobs in Denver". FOX31 Denver. January 16, 2015. Retrieved April 3, 2015.
"Frontier admits fault for canceled flights, lost bags". KDVR. December 20, 2016. Retrieved October 12, 2023.

marketwatch.com (Global: 1,878^th place; English: 1,099^th place)

"Frontier IPO prices at $19 a share, low end of range". MarketWatch. April 1, 2021.

mcgill.ca (Global: 2,445^th place; English: 1,513^th place)

Dempsey, Paul Stephen (May 13, 2015). "The New Frontier: A Case Study" (PDF). mcgill.ca. Retrieved January 26, 2020.^{[self-published source]}

nbcdfw.com (Global: 6,502^nd place; English: 3,396^th place)

Arnold, Kyle (November 3, 2022). "Frontier Airlines Adding Crew Base at DFW and Flights to More Destinations". NBC DFW. Dallas, Texas.

newspapers.com (Global: 24^th place; English: 12^th place)

"Frontier Airlines signs up Republic as regional carrier". The Daily Sentinel. No. January 12, 2007. Retrieved January 3, 2020 – via Newspapers.com.
"Frontier to return with daily flight to Denver". The Courier-Journal. October 23, 2009. Retrieved January 3, 2020 – via Newspapers.com.
"Frontier Sends Roomier Jet to El Paso". El Paso Times. No. March 7, 2007. Retrieved December 18, 2019 – via Newspapers.com.
"Republic Airlines Moving Executives to Indianapolis". The Times. No. January 15, 2010. Munster, Indiana. Retrieved January 29, 2020 – via Newspapers.com.
"Republic putting on a new face". The Indianapolis Star. March 21, 2010. Retrieved January 3, 2020 – via Newspapers.com.

nj.com (Global: 610^th place; English: 302^nd place)

"Frontier Airlines officials remain committed to Trenton–Mercer Airport amid service cancellations". NJ.com. January 17, 2015. Retrieved April 3, 2015.

npr.org (Global: 114^th place; English: 75^th place)

"Consumer advocates want the DOJ to move against JetBlue-Spirit merger". NPR. March 1, 2023. Retrieved March 7, 2023.
Schaper, David; Hernandez, Joe (February 7, 2022). "Frontier-Spirit merger promises better deals and service; critics aren't so sure". NPR. Retrieved February 9, 2022.

nytimes.com (Global: 7^th place; English: 7^th place)

Bowley, Graham (April 12, 2008). "Frontier Airlines Files for Bankruptcy". The New York Times. Retrieved January 28, 2020.
Maynard, Micheline (July 30, 2009). "Southwest Airlines Set to Make a Counteroffer for Frontier". The New York Times. Retrieved January 28, 2020.
FIRSHEIN, SARAH (June 12, 2020). "In Fine Print, Airlines Make It Harder to Fight for Passenger Rights". New York Times.
RAPPEPORT, ALAN (April 29, 2020). "Crippled Airline Industry to Get $25 Billion Bailout, Part of It as Loans". New York Times.
Chokshi, Niraj (July 27, 2022). "Spirit Airlines and Frontier call off a proposed merger". The New York Times. ISSN 0362-4331. Retrieved July 27, 2022.

orlandosentinel.com (Global: 798^th place; English: 405^th place)

Tracy, Dan (August 27, 2015). "Frontier Airlines to hire 200 flight attendants in Orlando". Orlando Sentinel.

peopil.com (Global: low place; English: low place)

"PAUL STEPHEN DEMPSEY" (PDF). Retrieved May 15, 2026.

prnewswire.com (Global: 546^th place; English: 310^th place)

"Frontier Airlines Reports First Quarter 2026 Financial Results". May 5, 2026. Retrieved May 10, 2026.

prweb.com (Global: 4,222^nd place; English: 2,350^th place)

"Frontier Airlines Announces New Crew Base to Open at Trenton-Mercer Airport". PR Web. February 28, 2014. Archived from the original on June 21, 2014. Retrieved October 11, 2023.
"Frontier Airlines Appoints Barry L. Biffle as President" (Press release). Frontier Airlines. April 21, 2014. Retrieved April 27, 2018 – via Cision PRWeb.^{[self-published source]}

republicair.com (Global: low place; English: low place)

"Republic Airways to Serve as Equity Sponsor for Frontier's Exit from Bankruptcy" (PDF) (Press release). Indianapolis: Republic Airways Holdings. June 22, 2009. Archived from the original (PDF) on July 15, 2011.

reuters.com (Global: 38^th place; English: 30^th place)

"Republic completes buy of Frontier Air". Reuters. August 14, 2009. Retrieved October 11, 2023.
"Republic Airways to sell Frontier for $145 million". Reuters. October 1, 2013. Retrieved October 12, 2023.

reviewjournal.com (Global: 1,155^th place; English: 544^th place)

Marroquin, Art (May 4, 2017). "Frontier adding Las Vegas flights, local crew base". Las Vegas Review-Journal. Retrieved April 25, 2018.
Marroquin, Art (May 4, 2017). "Frontier adding Las Vegas flights, local crew base". Las Vegas Review-Journal. Retrieved May 13, 2017.

rockymountainnews.com (Global: low place; English: 5,733^rd place)

Kesmodel, David (February 14, 2004). "The secret of Captain X". Rocky Mountain News. Archived from the original on February 15, 2004. Retrieved January 26, 2020.

routesonline.com (Global: 2,415^th place; English: 2,329^th place)

Maslen, Richard (February 25, 2015). "Frontier Increases its Focus on Atlanta". Routes Online. Retrieved April 25, 2018.
"Frontier to open Tampa base, signals Atlanta intention | Routes". Routesonline.com. Retrieved March 16, 2022.

safran-group.com (Global: low place; English: low place)

"Frontier Airlines takes delivery of LEAP-1A powered A320neo". Safran. October 19, 2016. Archived from the original on October 7, 2025. Retrieved January 25, 2026.

seatguru.com (Global: low place; English: low place)

"SeatGuru Seat Map Frontier Airbus A321 (321)". www.seatguru.com. Retrieved August 1, 2018.

sec.gov (Global: 617^th place; English: 437^th place)

"Frontier Airlines Holdings, Inc. Form 10-K". Retrieved October 11, 2023.
"Form S-1 Registration Statement". March 31, 2017. Retrieved March 15, 2020.
"FRONTIER AIRLINES, INC 10-Q 3RD QUARTER". Retrieved May 6, 2026.

spectrumlocalnews.com (Global: 6,657^th place; English: 3,347^th place)

Peters, LaMonica (July 18, 2017). "Frontier Airlines offering low fares, direct flights from Buffalo". spectrumlocalnews.com. Spectrum News. Retrieved October 12, 2023.

thedenverchannel.com (Global: low place; English: 8,094^th place)

Larson, Jace (December 22, 2016). "Head of Frontier pilots' union compared airline to a house of cards". thedenverchannel.com. Retrieved December 24, 2016.

todaystmj4.com (Global: low place; English: low place)

"Frontier Airlines layoffs". Todaystmj4.com. September 9, 2011. Archived from the original on August 18, 2012. Retrieved September 9, 2011.

travelpulse.com (Global: low place; English: 6,571^st place)

Wood, Tim (January 12, 2015). "Watch: What Will Frontier's Move to the Market Mean for Philly Travelers?". TravelPulse.

usatoday.com (Global: 55^th place; English: 36^th place)

"Frontier Airlines puts Delaware back on USA's flight map". USA Today. July 2, 2013. Retrieved June 28, 2020.
"Has Frontier hit pay dirt at Trenton, Wilmington airports?". USA Today. November 7, 2013. Retrieved June 28, 2020.
Mutzabaugh, Ben (August 11, 2015). "Frontier is latest airline to do away with toll-free customer service number". USA TODAY. Gannett. Retrieved October 16, 2018. ...discontinuing the toll-free number will save it $160,000 a month — or close to $2 million a year.
"Frontier Airlines apologizes after weather 'meltdown' in Denver". USA Today. Retrieved December 24, 2016.
Koenig, David (May 15, 2015). "Frontier Airlines CEO steps down citing personal reasons". USA Today. Archived from the original on October 30, 2015. Retrieved October 11, 2023.
Gilbertson, Dawn (November 30, 2018). "Frontier flight scare: Engine cover falls off on flight from Las Vegas to Tampa". USA TODAY. Retrieved October 11, 2023.

web.archive.org (Global: 1^st place; English: 1^st place)

"Federal Aviation Administration – Airline Certificate Information – Detail View". av-info.faa.gov. Archived from the original on April 15, 2022. Retrieved June 27, 2019.
"Frontier Airlines' route droppings revealed; 23 airport pairs no longer served". anna.aero. October 11, 2017. Archived from the original on December 10, 2022. Retrieved January 11, 2019.
Kesmodel, David (February 14, 2004). "The secret of Captain X". Rocky Mountain News. Archived from the original on February 15, 2004. Retrieved January 26, 2020.
"Fact Sheet". Frontier Airlines. Archived from the original on October 17, 2006. Retrieved November 1, 2006.^{[self-published source]}
"Frontier Airlines Not Grounded Yet". Forbes. April 11, 2008. Archived from the original on January 28, 2020. Retrieved October 11, 2023.
"Republic Airways to Serve as Equity Sponsor for Frontier's Exit from Bankruptcy" (PDF) (Press release). Indianapolis: Republic Airways Holdings. June 22, 2009. Archived from the original (PDF) on July 15, 2011.
"Frontier Airlines Cuts Fee For Changing Tickets". CBS News. April 13, 2011. Archived from the original on April 18, 2011. Retrieved October 11, 2023.
"Frontier Airlines layoffs". Todaystmj4.com. September 9, 2011. Archived from the original on August 18, 2012. Retrieved September 9, 2011.
Andersen, Mark E (February 17, 2012). "Wisconsin: The Republican 'laser focus' on jobs strikes again". Daily Kos Labor. Archived from the original on October 11, 2023. Retrieved October 10, 2023.
"Frontier's Trenton – Orlando Service Takes Flight". Business Wire. November 16, 2012. Archived from the original on November 30, 2014. Retrieved October 12, 2023.
"Frontier Airlines Files". airlinefiles.com. Archived from the original on January 18, 2022. Retrieved February 4, 2020.
"Frontier Airlines Announces New Crew Base to Open at Trenton-Mercer Airport". PR Web. February 28, 2014. Archived from the original on June 21, 2014. Retrieved October 11, 2023.
"Form 10-K for Frontier Group Holdings INC filed 02/18/2025". ir.flyfrontier.com. Archived from the original on February 11, 2026.
Koenig, David (May 15, 2015). "Frontier Airlines CEO steps down citing personal reasons". USA Today. Archived from the original on October 30, 2015. Retrieved October 11, 2023.
"Animal Tales". Archived from the original on April 24, 2015. Retrieved April 14, 2015.
Frontier Airlines | FlyFrontier.com Livery Archived July 25, 2013, at the Wayback Machine. Flyfrontier.com. Retrieved on August 16, 2013.
InAirlineNews.com Archived September 10, 2014, at the Wayback Machine. Retrieved on September 9, 2014.
Frontier Airlines | Animal Tails Archived April 24, 2015, at the Wayback Machine. Flyfrontier.com. Retrieved on April 14, 2015.
"Frontier Airlines takes delivery of LEAP-1A powered A320neo". Safran. October 19, 2016. Archived from the original on October 7, 2025. Retrieved January 25, 2026.
Drum, Bruce (September 9, 2021). "Frontier Airlines retires the last Airbus A319". World Airline News. Archived from the original on November 25, 2023. Retrieved November 25, 2023.
"Bundle & Save". Frontier Airlines. Archived from the original on January 9, 2026. Retrieved January 25, 2026.
"Seating Options". Frontier Airlines. Archived from the original on September 16, 2025. Retrieved January 25, 2026.

wfla.com (Global: low place; English: 8,780^th place)

Fernandez, Katlyn (July 23, 2023). "Florida woman sues Frontier Airlines over bag policy". WFLA News. that passengers with bags that meet the airline's personal item size have been forced to check their bags at the gate, incurring a $100 fee, the news station reported.

wfmynews2.com (Global: low place; English: low place)

Tabor, Kelly Heffernan (April 13, 2010). "Midwest Airlines New Name: Frontier Airlines". wfmynews2.com. WFMY-TV. Retrieved October 10, 2023.

worldairlineawards.com (Global: low place; English: low place)

"World's Best Low-Cost Airlines 2025". Skytrax World Airline Awards. Retrieved August 22, 2025.

worldairlinenews.com (Global: low place; English: low place)

Drum, Bruce (September 9, 2021). "Frontier Airlines retires the last Airbus A319". World Airline News. Archived from the original on November 25, 2023. Retrieved November 25, 2023.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Vasigh, Bijan; Fleming, Kenneth; Humphreys, Barry (2014). Foundations of Airline Finance: Methodology and Practice. Routledge. p. 137. ISBN 978-1-317-80249-5. OCLC 895660773 – via Google Books.
Chokshi, Niraj (July 27, 2022). "Spirit Airlines and Frontier call off a proposed merger". The New York Times. ISSN 0362-4331. Retrieved July 27, 2022.

x.com (Global: 58^th place; English: 125^th place)

"Frontier Airlines on X: Meet the newest addition to our fleet..." x.com. August 5, 2025.

Frontier Airlines (English Wikipedia)

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go.com (Global: 97^th place; English: 79^th place)

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