If you are wonderingwhat terminal is Southwest Airlines at Orlando International Airport (MCO), Southwest Airlines operates from Terminal A at Orlando International Airport (MCO) in Orlando, Florida. Passengers can access Southwest ticket counters, check-in kiosks, baggage drop services, and security checkpoints in Terminal A. Most Southwest departures use Airside 2, which serves Gates 100–129. Travelers should check their boarding passes and airport flight information displays for the latest gate assignments and arrive at least two hours before departure for a smooth and convenient travel experience.