Southwest · BOS
What gates does Southwest use at Boston Airport (BOS)?
Southwest uses gates B31A, B32, B33, B34, B35 and B35A at Boston Airport (BOS), mainly in Terminal B’s Concourse B, with about 27 departures a day (Oct 1–21, 2026). It is the main airline at 5 of them.
Based on 919 Southwest flights at BOS, Oct 1–21, 2026 (full days)
How Southwest compares at BOS
- 5th of the 45 airlines with regular flights at BOS by departures: 5% of them (27 departures a day of about 528 a day).
- 6% of the seats leaving BOS: about 4,560 a day, 170 per departure.
- 4.7 turns a day at each gate it turns planes at, 26% more than the airport’s 3.7.
- Median turn at the gate: 56 min, 15 min shorter than the airport median (71 min).
- At BOS, Southwest’s 27 departures a day compare with United’s 43 and Air Canada’s 10. Southwest has 5 gates of its own; United 9; Air Canada 3.
Where Southwest flies nonstop from BOS
12 nonstop destinations. Nonstop routes seen Oct 1–21, 2026; a few days of data can miss weekly or seasonal routes.
| Destination | Flights | Other airlines on this route |
|---|---|---|
| BaltimoreBWI | 7-8/day | Delta (3-4/day) |
| Chicago MidwayMDW | 5/day | none seen |
| NashvilleBNA | 4-5/day | JetBlue (3-4/day), Delta (2-3/day) |
| St. LouisSTL | 3/day | American (2/day) |
| DenverDEN | 2-3/day | United (5-6/day), JetBlue (1-2/day), Delta (1/day) |
| AustinAUS | 1/day | Delta (2-3/day), JetBlue (1-2/day), American (under 1/week) |
| Dallas Love FieldDAL | 1/day | JetBlue (under 1/week) |
| San DiegoSAN | 1/day | JetBlue (2-3/day), Alaska (2/day), Delta (1/day) |
| Kansas CityMCI | 6-7/week | Delta (1-2/day) |
| IndianapolisIND | under 1/week | Delta (3/day), American (2-3/day), Allegiant (1-2/week) |
| NorfolkORF | under 1/week | Delta (1-2/day), JetBlue (6-7/week) |
| ProvidencePVD | under 1/week | American (under 1/week) |
When Southwest flies at BOS
- First departure of the day usually around 5:10 am, the last around 10:40 pm.
- Busiest hour: 5:00 pm–6:00 pm, with about 4 of its arrivals and departures.
- About 2 of its aircraft spend the night at BOS (arrive in the evening, leave the next morning).
Southwest’s aircraft at BOS
| Aircraft | Departures | Seats each |
|---|---|---|
| 737 MAX 8 | 14/day | 175 |
| 737-800 | 8-9/day | 175 |
| 737-700 | 4/day | 143 |
About 4,560 seats leave BOS on Southwest each day. Of the gates it holds, 5 have taken a narrow-body. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
Southwest’s gates at BOS
Terminal B, Concourse B B31A, B32, B33, B34, B35
Held = the airline flying the gate most (regional partners count as their brand).
Gates it shares
| Gate | Who holds it | Other airlines there |
|---|---|---|
| B35A | Held by Boutique Air | Boutique Air |
About this data
Based on 16 full days of flights at BOS, Oct 1–21, 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 BOS: questions
What terminal is Southwest at Boston Airport (BOS)?
Southwest flies from Terminal B’s Concourse B at Boston Airport (BOS).
What gates does Southwest use at BOS?
Southwest has 5 gates at BOS (the airline flying each one most): B31A, B32, B33, B34 and B35. It used 6 gates in all over Oct 1–21, 2026.
How many flights a day does Southwest have from BOS?
About 27 departures a day and 4,560 seats, averaged over Oct 1–21, 2026.
Where does Southwest fly nonstop from BOS?
Southwest flies nonstop to 12 cities from BOS, the most often to Baltimore, Chicago Midway, Nashville, St. Louis, Denver and Dallas Love Field. Routes seen Oct 1–21, 2026.
When is Southwest’s first flight out of BOS?
Usually around 5:10 am; the last leaves around 10:40 pm.
Does Southwest share gates at BOS?
Yes: 1 gate it uses is shared or used most by another airline, e.g. gate B35A with Boutique Air.
Other airlines at BOS
All of BOS’s gates by airline · Southwest at every airport we map · Nonstop routes from BOS