https://community.lumivero.com/s/question/0D5Jw00000dNn0QKAS/easyway180185555905does-frontier-give-you-a-refund?language=en_US
https://community.lumivero.com/s/question/0D5Jw00000dNrGUKA0/united18018555905does-united-require-24-hour-checkin?language=en_US