https://community.clover.com/questions/79721/instantcheckin1-855-838-4882-frontier-flight-check.html

https://support.us.edu/hc/en-us/community/posts/26918684432023-1-855-838-4882-Frontier-Airlines-Check-In-Full-Infroramtion

https://portal.mtaq.com.au/forums/general-discussion/5423c278-e984-ef11-9443-000d3acaa853

https://www.devex.com/people/faq-does-frontier-have-a-24-hour-cancellation-policy-2003668

https://apidocs.eightfold.ai/discuss/670401966e09010025b2b710

https://www.devex.com/people/how-strict-is-frontier-with-pet-carrier-info-faq-2006528

https://www.devex.com/people/how-much-does-frontier-airlines-charge-for-a-pet-2006492

https://apidocs.eightfold.ai/discuss/6703f186b7280c001930cefd

https://apidocs.eightfold.ai/discuss/6703edff83d81f0053893ed3

https://apidocs.eightfold.ai/discuss/6703ea6e9f5d48006246a6d0

https://us.community.sony.com/s/question/0D5Dp00002ARCXZKA5/-what-are-the-disadvantages-of-flying-frontierfaq?language=en_US

https://us.community.sony.com/s/question/0D5Dp00002ARBKwKAP/get1to100does-frontier-give-refund-do-i-get-a-full-refund-if-i-cancel-a-flight-w...