5. Leave Yourself an Hour Extra than the Recommended Airport Arrival Time. When it comes time to get to the airport, take the amount of time the airline says to arrive at the airport early, and then go ahead and add an hour to that. So if it’s a domestic flight and they say 2 hours, add an hour.. Available boarding positions will be distributed on a first-come, first served basis upon check in. The earlier you check in, beginning 24 hours before departure, the lower your boarding group and position will be. ... minutes prior to travel and who do not board the flight will be considered a no show, and all remaining unused Wanna Get Away.