Airport gate intelligence · SJC
How many gates does San Jose Airport (SJC) have?
San Jose Airport (SJC) has 37 gates, with about 130 airline departures a day. Southwest has the most (13), followed by Alaska (6).
Southwest flies 62% of the 19,409 seats leaving SJC each day. Southwest has 117% more gates and 404% more seats than Alaska. 4 gates are common use, shared by several airlines.
Gates, seats and flights by airline at SJC
| Airline | Gates held | Departures a day | Seats out a day | Share of seats | Seats per departure | Regional jets | Median turn | Tows a week |
|---|---|---|---|---|---|---|---|---|
| Southwest | 13 | 75 | 12,048 | 62% | 161 | 0% | 51 min | 9 |
| Alaska | 6 | 18 | 2,390 | 12% | 135 | 40% | 60 min | 0 |
| Delta | 5 | 20 | 2,273 | 12% | 112 | 46% | 50 min | 0 |
| United | 2 | 5 | 735 | 4% | 158 | 0% | 67 min | 0 |
| American | 1 | 6 | 937 | 5% | 156 | 11% | 57 min | 0 |
| Volaris | – | 4 | 643 | 3% | 214 | 0% | 109 min | 0 |
| Frontier | – | 2 | 382 | 2% | 229 | 0% | 52 min | 0 |
| Common use (shared) | 4 | |||||||
Average of 3 full days, Oct 3 to Oct 5, 2026. Gates held = the airline flying the gate most (regional partners count as their brand); 6 gates have too few flights yet. Seats are capacity, from each airline’s seat map per aircraft type; 1% of flights have no seat count yet.
On-time departures by airline at SJC
73% of departures left the gate on time (less than 15 minutes after their scheduled time). Airlines with 10+ departures a day.
On time = left the gate less than 15 minutes after its scheduled time. Average of 3 full days.
What size aircraft SJC’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 SJC: terminals, gates and nonstop routes
Other airlines
Seen on only one of the full days collected (charters and occasional flights): Sun Country (6 flights); Allegiant (2 flights); Air Canada (2 flights); Denver Air Connection (2 flights); JetBlue (2 flights); AN (1 flight); GlobalX (1 flight).
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SJC gate questions
How many gates does San Jose Airport (SJC) have?
San Jose Airport (SJC) has 37 gates, with about 130 airline departures a day. Southwest has the most (13), followed by Alaska (6).
Which airline has the most gates at San Jose Airport (SJC)?
Southwest, with 13 of the 37 gates at SJC (the airline flying each gate most; regional partners count as their brand).
How many flights a day leave San Jose Airport (SJC)?
About 130 airline departures a day (Oct 3 to Oct 5, 2026).
Which terminal is Southwest in at SJC?
Southwest flies from Terminal B at San Jose Airport (SJC).
How many gates does Southwest have at SJC?
13 gates, with about 75 departures and 12,048 seats a day.
How many gates does Alaska have at SJC?
6 gates, with about 18 departures and 2,390 seats a day.
How many gates does Delta have at SJC?
5 gates, with about 20 departures and 2,273 seats a day.
How many seats leave SJC each day?
About 19,409 seats on 130 airline departures a day (average of 3 full days, Oct 3 to Oct 5, 2026).
What is the typical turn time at SJC?
53 minutes at the gate from arrival to departure (median of every turn measured).
Which airline leaves SJC on time most often?
Delta Air Lines: 92% of its departures left the gate less than 15 minutes after their scheduled time, against 73% for all airlines at SJC (3 full days, Oct 3 to Oct 5, 2026).
How often do flights at SJC go back to the gate after pushing back?
3 departures in 3 days probably went back to the gate before taking off (a mechanical problem, fuel, a passenger taken off).
How many aircraft tows happen at SJC?
About 9 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.