Airport gate intelligence · MDW
How many gates does Chicago Midway Airport (MDW) have?
Chicago Midway Airport (MDW) has 43 gates, with about 223 airline departures a day. Southwest has the most (33), followed by Delta (2).
Southwest flies 92% of the 36,052 seats leaving MDW each day. Southwest has 1550% more gates and 3372% more seats than Delta. 3 gates are common use, shared by several airlines.

Gates, seats and flights by airline at MDW
| Airline | Gates held | Departures a day | Seats out a day | Share of seats | Seats per departure | Regional jets | Median turn | Tows a week |
|---|---|---|---|---|---|---|---|---|
| Southwest | 33 | 202 | 33,281 | 92% | 165 | 0% | 62 min | 35 |
| Delta | 2 | 10 | 959 | 3% | 99 | 62% | 54 min | 0 |
| Frontier | 1 | 3 | 496 | 1% | 186 | 0% | 61 min | 0 |
| Volaris | – | 4 | 806 | 2% | 186 | 0% | 86 min | 0 |
| United | – | 1 | 179 | 0% | 179 | 0% | – | 0 |
| Porter | – | 2 | 156 | 0% | 78 | 100% | 42 min | 0 |
| Common use (shared) | 3 | |||||||
Average of 3 full days, Oct 3 to Oct 5, 2026. Gates held = the airline flying the gate most (regional partners count as their brand); 4 gates have too few flights yet. Seats are capacity, from each airline’s seat map per aircraft type.
On-time departures by airline at MDW
72% of departures left the gate on time (less than 15 minutes after their scheduled time). Airlines with 10+ departures a day.
| Airline | Departures a day | On time | 15+ min late |
|---|---|---|---|
| Southwest | 202 | 71% | 29% |
On time = left the gate less than 15 minutes after its scheduled time. Average of 3 full days.
What size aircraft MDW’s gates handle
Gates by the largest aircraft seen there at least twice. A gate that takes a wide-body also takes anything smaller.
Airlines at MDW: terminals, gates and nonstop routes
Other airlines
Regular flights, but no MDW gate listed in the flight data, so not on the map: Porter (12 flights to Toronto Billy Bishop).
Seen on only one of the full days collected (charters and occasional flights): United (13 flights to Chicago O'Hare); Sun Country (2 flights to Minneapolis/St. Paul); Air Canada (2 flights); K9 (1 flight); JetBlue (1 flight).
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MDW gate questions
How many gates does Chicago Midway Airport (MDW) have?
Chicago Midway Airport (MDW) has 43 gates, with about 223 airline departures a day. Southwest has the most (33), followed by Delta (2).
Which airline has the most gates at Chicago Midway Airport (MDW)?
Southwest, with 33 of the 43 gates at MDW (the airline flying each gate most; regional partners count as their brand).
How many flights a day leave Chicago Midway Airport (MDW)?
About 223 airline departures a day (Oct 3 to Oct 5, 2026).
Which terminal is Southwest in at MDW?
Southwest flies from Concourses B and A at Chicago Midway Airport (MDW).
How many gates does Southwest have at MDW?
33 gates, with about 202 departures and 33,281 seats a day.
How many gates does Delta have at MDW?
2 gates, with about 10 departures and 959 seats a day.
How many gates does Frontier have at MDW?
1 gate, with about 3 departures and 496 seats a day.
How many seats leave MDW each day?
About 36,052 seats on 223 airline departures a day (average of 3 full days, Oct 3 to Oct 5, 2026).
What is the typical turn time at MDW?
61 minutes at the gate from arrival to departure (median of every turn measured).
Which airline leaves MDW on time most often?
Southwest Airlines: 71% of its departures left the gate less than 15 minutes after their scheduled time, against 72% for all airlines at MDW (3 full days, Oct 3 to Oct 5, 2026).
How often do flights at MDW go back to the gate after pushing back?
1 departure in 3 days probably went back to the gate before taking off (a mechanical problem, fuel, a passenger taken off).
How many aircraft tows happen at MDW?
About 35 tows a week: a plane that arrives at one gate and leaves from another was towed between them. Planes we didn't see arrive aren't counted.