Chicago Midway · MDW · Question

What Airlines Fly Out of MDW? Complete Airline List

Expert answer updated for 2026, with official sources and links to detailed guides.

Chicago Midway International Airport (MDW) is served by 4+ airlines, offering flights to domestic and international destinations. MDW is a hub airport for Southwest Airlines, which means extensive route networks and frequent flights from these carriers.

All Airlines at MDW

  • Southwest Airlines
  • Delta Air Lines
  • Volaris
  • Porter Airlines

Which Terminal Is Each Airline At?

Airlines at MDW are spread across 1 terminal areas. To find exactly which terminal, gates, and TSA checkpoint your airline uses, use our Terminal Finder tool — just select MDW and your airline for instant results.

You can also see the full terminal-by-terminal breakdown in our MDW airline directory, which includes gate ranges and hub badges.

Hub Airlines at MDW

Southwest Airlines uses MDW as a hub, operating the most flights and typically occupying dedicated terminal space. Hub passengers benefit from more flight options, better lounge access, and stronger frequent flyer earning at their hub airport.

For detailed guides on individual airlines including baggage fees, loyalty programs, and check-in tips, visit our airline directory.