Airport gate intelligence · SLC
How many gates does Salt Lake City Airport (SLC) have?
Salt Lake City Airport (SLC) has 87 gates, with about 342 airline departures a day. Delta has the most (59), followed by Southwest (8).
Delta flies 71% of the 45,709 seats leaving SLC each day. Delta has 638% more gates and 531% more seats than Southwest. 3 gates are common use, shared by several airlines.

Gates, seats and flights by airline at SLC
| Airline | Gates held | Departures a day | Seats out a day | Share of seats | Seats per departure | Regional jets | Median turn | Tows a week |
|---|---|---|---|---|---|---|---|---|
| Delta | 59 | 250 | 32,296 | 71% | 129 | 35% | 77 min | 82 |
| Southwest | 8 | 31 | 5,115 | 11% | 165 | 0% | 53 min | 4 |
| United | 5 | 21 | 2,618 | 6% | 125 | 43% | 67 min | 24 |
| American | 4 | 17 | 2,636 | 6% | 153 | 18% | 59 min | 7 |
| Alaska | 3 | 11 | 1,325 | 3% | 120 | 51% | 59 min | 13 |
| Frontier | 1 | 8 | 1,719 | 4% | 210 | 0% | 54 min | 0 |
| Common use (shared) | 3 | |||||||
Average of 16 full days, Oct 2 to Oct 21, 2026. Gates held = the airline flying the gate most (regional partners count as their brand); 4 gates saw few or no flights (not in use or under repair). Seats are capacity, from each airline’s seat map per aircraft type.
On-time departures by airline at SLC
83% of departures left the gate on time (less than 15 minutes after their scheduled time). Airlines with 10+ departures a day.
| Airline | Departures a day | On time | 15+ min late |
|---|---|---|---|
| Delta | 250 | 87% | 13% |
| United | 21 | 85% | 15% |
| Alaska | 11 | 81% | 19% |
| American | 17 | 76% | 24% |
| Southwest | 31 | 56% | 44% |
On time = left the gate less than 15 minutes after its scheduled time. Average of 16 full days.
What size aircraft SLC’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 SLC: terminals, gates and nonstop routes
Other airlines
Regular flights, but no SLC gate listed in the flight data, so not on the map: EM (15 flights to Idaho Falls); Air Canada (11 flights to Buffalo, Denver and Pittsburgh).
Seen on only one of the full days collected (charters and occasional flights): 5A (85 flights); 2I (14 flights); K9 (2 flights); Denver Air Connection (2 flights); Allegiant (1 flight); GlobalX (1 flight); Contour (1 flight); Boutique Air (1 flight); Air Europa (1 flight).
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SLC gate questions
How many gates does Salt Lake City Airport (SLC) have?
Salt Lake City Airport (SLC) has 87 gates, with about 342 airline departures a day. Delta has the most (59), followed by Southwest (8).
Which airline has the most gates at Salt Lake City Airport (SLC)?
Delta, with 59 of the 87 gates at SLC (the airline flying each gate most; regional partners count as their brand).
How many flights a day leave Salt Lake City Airport (SLC)?
About 342 airline departures a day (Oct 2 to Oct 21, 2026).
Which terminal is Delta in at SLC?
Delta flies from Concourses A and B at Salt Lake City Airport (SLC).
How many gates does Delta have at SLC?
59 gates, with about 250 departures and 32,296 seats a day.
How many gates does Southwest have at SLC?
8 gates, with about 31 departures and 5,115 seats a day.
How many gates does United have at SLC?
5 gates, with about 21 departures and 2,618 seats a day.
How many seats leave SLC each day?
About 45,709 seats on 342 airline departures a day (average of 16 full days, Oct 2 to Oct 21, 2026).
What is the typical turn time at SLC?
72 minutes at the gate from arrival to departure (median of every turn measured).
Which airline leaves SLC on time most often?
Delta Air Lines: 87% of its departures left the gate less than 15 minutes after their scheduled time, against 83% for all airlines at SLC (16 full days, Oct 2 to Oct 21, 2026).
How often do flights at SLC go back to the gate after pushing back?
14 departures in 16 days probably went back to the gate before taking off (a mechanical problem, fuel, a passenger taken off), and 1 came back and changed planes.
How many aircraft tows happen at SLC?
About 131 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.