Which airlines serve Pittsburgh International Airport?
Air Canada, Alaska Airlines, Allegiant, American Airlines, Breeze Airways, British Airways, Delta Air Lines, Frontier, JetBlue, Southwest, Southern Airways Express, Spirit, Sun Country, and United Airlines are the major airlines serving Pittsburgh International Airport.
Does PIT offer curbside check-in?
Yes, Southwest Airlines, which serves PIT Airport, offers curbside bag check on the Public Departures Curb.