https://tv-sound-monitors.philips.com/s/question/0D5TY00000NI8Oj0AL/moneyreturncan-i-cancel-my-flight-and-get-a-refund-on-frontierstep-guide
https://tv-sound-monitors.philips.com/s/question/0D5TY00000NHfRX0A1/get1to100does-frontier-give-refund-does-frontier-give-refunds-for-cancel...
https://tv-sound-monitors.philips.com/s/question/0D5TY00000NHmNx0AL/does-frontier-refund-you-if-you-cancelfaq?language=en_US
https://medium.com/@christophercoloumbus22/1-855-838-4979-southwest-airlines-online-check-in-processing-fees-free-2c4f21aac4af
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