Southwest · BOI
What gates does Southwest use at Boise Airport (BOI)?
Southwest uses gates B11, B15, B17 and B19 at Boise Airport (BOI), mainly in Concourse B, with about 17 departures a day (Oct 3–5, 2026). It is the main airline at 3 of them.
Based on 299 Southwest flights at BOI, Oct 3–5, 2026 (full days)
How Southwest compares at BOI
- 2nd of the 7 airlines with regular flights at BOI by departures: 21% of them (17 departures a day of about 83 a day).
- 28% of the seats leaving BOI: about 2,863 a day, 165 per departure.
- 3.4 turns a day at each gate it turns planes at, about the same as the airport’s 3.3.
- Median turn at the gate: 51 min, the same as the airport median (54 min).
- At BOI, Southwest’s 17 departures a day compare with Delta’s 17 and United’s 11. Southwest has 3 gates of its own; Delta 3; United 3.
Where Southwest flies nonstop from BOI
8 nonstop destinations. Nonstop routes seen Oct 3–5, 2026; a few days of data can miss weekly or seasonal routes.
| Destination | Flights | Other airlines on this route |
|---|---|---|
| DenverDEN | 3-4/day | United (5/day) |
| Las VegasLAS | 3/day | Alaska (1/day), Frontier (4-5/week) |
| SacramentoSMF | 3/day | Alaska (1/day) |
| PhoenixPHX | 2-3/day | American (3-4/day), Alaska (1-2/day) |
| San DiegoSAN | 2/day | Alaska (1-2/day) |
| OaklandOAK | 1-2/day | none seen |
| San JoseSJC | 1-2/day | Alaska (1/day) |
| BurbankBUR | 4-5/week | Alaska (1/day) |
When Southwest flies at BOI
- First departure of the day usually around 5:15 am, the last around 8:10 pm.
- Busiest hour: 11:00 am–12:00 pm, with about 3 of its arrivals and departures.
- About 2 of its aircraft spend the night at BOI (arrive in the evening, leave the next morning).
Southwest’s aircraft at BOI
| Aircraft | Departures | Seats each |
|---|---|---|
| 737 MAX 8 | 10/day | 175 |
| 737-700 | 5-6/day | 143 |
| 737-800 | 2-3/day | 175 |
About 2,863 seats leave BOI 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 BOI
Concourse B B15, B19
Terminal 1, Concourse B B17
Held = the airline flying the gate most (regional partners count as their brand).
Gates it shares
About this data
Based on 3 full days of flights at BOI, Oct 3–5, 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 BOI: questions
What terminal is Southwest at Boise Airport (BOI)?
Southwest flies from Concourse B at Boise Airport (BOI).
What gates does Southwest use at BOI?
Southwest has 3 gates at BOI (the airline flying each one most): B15, B17 and B19. It used 4 gates in all over Oct 3–5, 2026.
How many flights a day does Southwest have from BOI?
About 17 departures a day and 2,863 seats, averaged over Oct 3–5, 2026.
Where does Southwest fly nonstop from BOI?
Southwest flies nonstop to 8 cities from BOI, the most often to Denver, Sacramento, Las Vegas, Phoenix, San Diego and Oakland. Routes seen Oct 3–5, 2026.
When is Southwest’s first flight out of BOI?
Usually around 5:15 am; the last leaves around 8:10 pm.
Does Southwest share gates at BOI?
Yes: 1 gate it uses is shared or used most by another airline, e.g. gate B11 with United.
Other airlines at BOI
All of BOI’s gates by airline · Southwest at every airport we map · Nonstop routes from BOI