The main terminal at Fort Wayne International Airport (FWA) is where Allegiant Air is based. The airline provides inexpensive flights to a number of American leisure locations. Allegiant Air FWA Terminal when checking in, p****engers flying with Allegiant Air can do so at the airline's designated counter in the terminal. There, ticketing, luggage services, and other travel-related needs are ****isted by the crew. Arriving at least two hours before departure is advised, especially during periods of high travel demand. In order to expedite the process prior to arriving at the airport, Allegiant now provides online check-in choices. Customers can reach Allegiant's customer service representatives via phone or online for additional help.