Airport gate intelligence · BWI
How many gates does Baltimore/Washington Airport (BWI) have?
Baltimore/Washington Airport (BWI) has 77 gates, with about 269 airline departures a day. Southwest has the most (36), followed by Delta (7).
Southwest flies 75% of the 44,099 seats leaving BWI each day. Southwest has 414% more gates and 1201% more seats than Delta. 1 gate is common use, shared by several airlines.
Gates, seats and flights by airline at BWI
| Airline | Gates held | Departures a day | Seats out a day | Share of seats | Seats per departure | Regional jets | Median turn | Tows a week |
|---|---|---|---|---|---|---|---|---|
| Southwest | 36 | 201 | 32,855 | 75% | 164 | 0% | 61 min | 47 |
| Delta | 7 | 18 | 2,525 | 6% | 143 | 38% | 71 min | 0 |
| United | 5 | 13 | 2,184 | 5% | 164 | 0% | 80 min | 0 |
| American | 5 | 14 | 2,051 | 5% | 143 | 28% | 54 min | 0 |
| Frontier | 4 | 14 | 3,080 | 7% | 225 | 0% | 58 min | 0 |
| Alaska | 1 | 2 | 350 | 1% | 175 | 0% | 92 min | 0 |
| JetBlue | 1 | 2 | 347 | 1% | 149 | 0% | – | 0 |
| British Airways | 1 | 1 | 332 | 1% | 332 | 0% | 112 min | 0 |
| Common use (shared) | 1 | |||||||
Average of 3 full days, Oct 2 to Oct 4, 2026. Gates held = the airline flying the gate most (regional partners count as their brand); 15 gates have too few flights yet. Seats are capacity, from each airline’s seat map per aircraft type.
On-time departures by airline at BWI
66% 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 |
|---|---|---|---|
| Delta | 18 | 91% | 9% |
| American | 14 | 84% | 16% |
| United | 13 | 80% | 20% |
| Frontier | 14 | 76% | 24% |
| Southwest | 201 | 61% | 39% |
On time = left the gate less than 15 minutes after its scheduled time. Average of 3 full days.
What size aircraft BWI’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 BWI: terminals, gates and nonstop routes
Other airlines
Seen on only one of the full days collected (charters and occasional flights): Sun Country (27 flights to Minneapolis/St. Paul); Breeze (7 flights to Burlington, VT and Vero Beach); OY (2 flights); Avelo (2 flights to New Haven); Allegiant (1 flight); Denver Air Connection (1 flight); 2I (1 flight); 2D (1 flight); 2T (1 flight).
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BWI gate questions
How many gates does Baltimore/Washington Airport (BWI) have?
Baltimore/Washington Airport (BWI) has 77 gates, with about 269 airline departures a day. Southwest has the most (36), followed by Delta (7).
Which airline has the most gates at Baltimore/Washington Airport (BWI)?
Southwest, with 36 of the 77 gates at BWI (the airline flying each gate most; regional partners count as their brand).
How many flights a day leave Baltimore/Washington Airport (BWI)?
About 269 airline departures a day (Oct 2 to Oct 4, 2026).
Which terminal is Southwest in at BWI?
Southwest flies from Concourses A, B and C at Baltimore/Washington Airport (BWI).
How many gates does Southwest have at BWI?
36 gates, with about 201 departures and 32,855 seats a day.
How many gates does Delta have at BWI?
7 gates, with about 18 departures and 2,525 seats a day.
How many gates does United have at BWI?
5 gates, with about 13 departures and 2,184 seats a day.
How many seats leave BWI each day?
About 44,099 seats on 269 airline departures a day (average of 3 full days, Oct 2 to Oct 4, 2026).
What is the typical turn time at BWI?
64 minutes at the gate from arrival to departure (median of every turn measured).
Which airline leaves BWI on time most often?
Delta Air Lines: 91% of its departures left the gate less than 15 minutes after their scheduled time, against 66% for all airlines at BWI (3 full days, Oct 2 to Oct 4, 2026).
How often do flights at BWI 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), and 1 came back and changed planes.
How many aircraft tows happen at BWI?
About 47 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.