Southwest · DTW
What gates does Southwest use at Detroit Airport (DTW)?
Southwest uses gates D20, D21 and D23 at Detroit Airport (DTW), mainly in Terminal E’s Concourse D, with about 10 departures a day (Oct 1–4, 2026). It is the main airline at all 3.
Based on 143 Southwest flights at DTW, Oct 1–4, 2026 (full days)

How Southwest compares at DTW
- 5th of the 14 airlines with regular flights at DTW by departures: 3% of them (10 departures a day of about 322 a day).
- 4% of the seats leaving DTW: about 1,590 a day, 167 per departure.
- 3.1 turns a day at each gate it turns planes at, 24% more than the airport’s 2.5.
- Median turn at the gate: 54 min, 16 min shorter than the airport median (70 min).
- At DTW, Southwest’s 10 departures a day compare with Frontier’s 11 and United’s 18. Southwest has 3 gates of its own; Frontier 3; United 8.
Where Southwest flies nonstop from DTW
7 nonstop destinations. Nonstop routes seen Oct 1–4, 2026; a few days of data can miss weekly or seasonal routes.
| Destination | Flights | Other airlines on this route |
|---|---|---|
| Chicago MidwayMDW | 2/day | Delta (2-3/day) |
| NashvilleBNA | 2/day | Delta (3/day) |
| DenverDEN | 1-2/day | Delta (2-3/day), Frontier (1-2/day), United (1-2/day) |
| St. LouisSTL | 1-2/day | Delta (2-3/day) |
| BaltimoreBWI | 1-2/day | Delta (2-3/day), Frontier (3-4/week) |
| Las VegasLAS | 5-6/week | Delta (3-4/day), Frontier (5-6/week) |
| OrlandoMCO | 3-4/week | Delta (4-5/day), Frontier (1-2/day) |
When Southwest flies at DTW
- Busiest hour: 1:00 pm–2:00 pm, with about 2 of its arrivals and departures.
- About 2 of its aircraft spend the night at DTW (arrive in the evening, leave the next morning).
- Flies on some days only: seen on Fridays, Saturdays and Sundays (3 of the 4 full days collected).
Southwest’s aircraft at DTW
| Aircraft | Departures | Seats each |
|---|---|---|
| 737 MAX 8 | 4-5/day | 175 |
| 737-800 | 3/day | 175 |
| 737-700 | 2-3/day | 143 |
About 1,590 seats leave DTW on Southwest each day. Of the gates it holds, 3 have taken a narrow-body. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
Southwest’s gates at DTW
Terminal E, Concourse D D20, D21, D23
Held = the airline flying the gate most (regional partners count as their brand).
About this data
Based on 4 full days of flights at DTW, Oct 1–4, 2026. Gates of its own are the gates where Southwest flies the most (regional partners count as their brand). Every one of its departures has a seat count.
Southwest at DTW: questions
What terminal is Southwest at Detroit Airport (DTW)?
Southwest flies from Terminal E’s Concourse D at Detroit Airport (DTW).
What gates does Southwest use at DTW?
Southwest has 3 gates at DTW (the airline flying each one most): D20, D21 and D23. It used 3 gates in all over Oct 1–4, 2026.
How many flights a day does Southwest have from DTW?
About 10 departures a day and 1,590 seats, averaged over Oct 1–4, 2026.
Where does Southwest fly nonstop from DTW?
Southwest flies nonstop to 7 cities from DTW, the most often to Chicago Midway, Nashville, St. Louis, Denver, Baltimore and Las Vegas. Routes seen Oct 1–4, 2026.
Other airlines at DTW
All of DTW’s gates by airline · Southwest at every airport we map · Nonstop routes from DTW