Bangor International Airport is always open.
The TSA Screening Checkpoint opens at 4:00 a.m. daily.
Allegiant Air: The Allegiant counter is open for check-in 2 hours prior to each flight. Allegiant is open for ticket sales only on Tuesdays from 11:00 a.m. to 1:00 p.m.
American Airlines: The American Airlines counter opens at 3:30 a.m.
Breeze Airways: The Breeze counter opens two hours prior to each flight. Breeze is open for ticket sales only on Tuesdays from 11:00 a.m. to 1:00 p.m.
Delta Airlines: The Delta counter opens at 4:00 a.m.
United Airlines: The United counter is open for check-in 2 hours prior to each flight.
The Grasshopper Shop: Open 9:00 a.m. to 5:00 p.m. daily.
The Highlands Cafe: Open 9:00 a.m. to 5:00 p.m. daily. A smaller cafe is located inside the gate area (after the TSA screening checkpoint) and is open daily until the time that the last flight of the day has boarded.
The Refueler Pub: Open Wednesday-Sunday, 10:00 a.m. to 5:00 p.m.