Southwest · BUF
What gates does Southwest use at Buffalo Airport (BUF)?
Southwest uses gates 15, 16, 18 and 21 at Buffalo Airport (BUF), with about 16 departures a day (Oct 2–5, 2026). It is the main airline at all 4.
Based on 166 Southwest flights at BUF, Oct 2–5, 2026 (full days)

How Southwest compares at BUF
- 3rd of the 6 airlines with regular flights at BUF by departures: 21% of them (16 departures a day of about 77 a day).
- 28% of the seats leaving BUF: about 2,632 a day, 164 per departure.
- 2.9 turns a day at each gate it turns planes at, about the same as the airport’s 2.8.
- Median turn at the gate: 53 min, the same as the airport median (51 min).
- At BUF, Southwest’s 16 departures a day compare with Delta’s 17 and American’s 22. Southwest has 4 gates of its own; Delta 5; American 6.
Where Southwest flies nonstop from BUF
9 nonstop destinations. Nonstop routes seen Oct 2–5, 2026; a few days of data can miss weekly or seasonal routes.
| Destination | Flights | Other airlines on this route |
|---|---|---|
| BaltimoreBWI | 4-5/day | none seen |
| OrlandoMCO | 3/day | JetBlue (1/day), Frontier (1-2/week) |
| Chicago MidwayMDW | 2/day | none seen |
| TampaTPA | 1-2/day | none seen |
| NashvilleBNA | 1-2/day | none seen |
| DenverDEN | 1/day | United (1/day) |
| Las VegasLAS | 1/day | none seen |
| PhoenixPHX | 1/day | none seen |
| SarasotaSRQ | 1-2/week | none seen |
When Southwest flies at BUF
- First departure of the day usually around 5:30 am, the last around 8:55 pm.
- Busiest hour: 6:00 pm–7:00 pm, with about 3 of its arrivals and departures.
- About 2 of its aircraft spend the night at BUF (arrive in the evening, leave the next morning).
Southwest’s aircraft at BUF
| Aircraft | Departures | Seats each |
|---|---|---|
| 737 MAX 8 | 7/day | 175 |
| 737-700 | 5-6/day | 143 |
| 737-800 | 3-4/day | 175 |
About 2,632 seats leave BUF on Southwest each day. Of the gates it holds, 4 have taken a narrow-body. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
Southwest’s gates at BUF
Gates 15, 16, 18, 21
Held = the airline flying the gate most (regional partners count as their brand).
About this data
Based on 4 full days of flights at BUF, Oct 2–5, 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 BUF: questions
What gates does Southwest use at BUF?
Southwest has 4 gates at BUF (the airline flying each one most): 15, 16, 18 and 21. It used 4 gates in all over Oct 2–5, 2026.
How many flights a day does Southwest have from BUF?
About 16 departures a day and 2,632 seats, averaged over Oct 2–5, 2026.
Where does Southwest fly nonstop from BUF?
Southwest flies nonstop to 9 cities from BUF, the most often to Baltimore, Orlando, Chicago Midway, Tampa, Nashville and Denver. Routes seen Oct 2–5, 2026.
When is Southwest’s first flight out of BUF?
Usually around 5:30 am; the last leaves around 8:55 pm.
Other airlines at BUF
All of BUF’s gates by airline · Southwest at every airport we map · Nonstop routes from BUF