The Frontier airlines missed policy allows passengers who miss their flight to be rebooked on the next available Frontier flight to their destination without incurring change fees. To qualify, passengers must notify Frontier of the missed flight before their original flight departs. The policy provides flexibility for passengers dealing with unexpected circumstances leading to a missed flight. For further details about Frontier Missed Policy, call a helpline 1 (855) 981-4544  or 1 (844) 902-4930 (OTA-Skip Waiting). Or visit the Airlinespetpolicy site.