Frontier Airlines Boarding Groups: A Complete Guide to the Boarding Process Frontier Airlines follows an organized boarding process to help passengers board the aircraft and find their seats smoothly. The airline uses preboarding and seven numbered boarding groups, with assignments based on factors such as eligible benefits, fare bundles, membership status, and purchased services. To learn more about the boarding order and how to check your assigned group, visit the official Frontier Airlines website or read the helpful travel guide on GroupTripGo. #FrontierAirlinesBoardingGroup #BoardingProcess