United · STL
What gates does United use at St. Louis Airport (STL)?
United uses 7 gates at St. Louis Airport (STL), mainly in Terminal 1’s Concourse A, with about 24 departures a day (Oct 3–5, 2026). It is the main airline at all 7.
Based on 970 United flights at STL, Oct 3–5, 2026 (full days)
How United compares at STL
- 3rd of the 9 airlines with regular flights at STL by departures: 13% of them (24 departures a day of about 190 a day).
- 9% of the seats leaving STL: about 2,507 a day, 104 per departure.
- 2.1 turns a day at each gate it turns planes at, 41% fewer than the airport’s 3.6.
- Median turn at the gate: 66 min, 10 min longer than the airport median (57 min).
- 58% of its departures are regional jets, against 20% across STL.
- At STL, United’s 24 departures a day compare with Delta’s 21 and American’s 30. United has 7 gates of its own; Delta 6; American 8.
Where United flies nonstop from STL
9 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 |
|---|---|---|
| Chicago O'HareORD | 9/day | American (5/day) |
| DenverDEN | 4/day | Southwest (6/day), Frontier (4-5/week) |
| HoustonIAH | 3-4/day | none seen |
| NewarkEWR | 3-4/day | none seen |
| Washington DullesIAD | 1-2/day | Alaska (2-3/week) |
| San FranciscoSFO | 1/day | Southwest (4-5/week) |
| Carbondale/MurphysboroMDH | 2-3/week | none seen |
| New WindsorSWF | 2-3/week | none seen |
| St. LouisSTL | 2-3/week | none seen |
When United flies at STL
- First departure of the day usually around 5:05 am, the last around 7:05 pm.
- Busiest hour: 8:00 am–9:00 am, with about 4 of its arrivals and departures.
- About 9 of its aircraft spend the night at STL (arrive in the evening, leave the next morning).
United’s aircraft at STL
| Aircraft | Departures | Seats each |
|---|---|---|
| CRJ-700 | 10/day | 70 |
| E175 | 4-5/day | 76 |
| A319 | 3-4/day | 126 |
| 737-800 | 2-3/day | 166 |
| 737 MAX 8 | 1-2/day | 166 |
| 737-900 | 1/day | 179 |
| A320 | 1/day | 150 |
| 737-700 | 4-5/week | 126 |
| 737 MAX 9 | 2-3/week | 179 |
About 2,507 seats leave STL on United each day. Of the gates it holds, 6 have taken a narrow-body and 1 only regional jets. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
United’s gates at STL
Terminal 1, Concourse A A9, A14, A15, A16, A18, A19, A21
Held = the airline flying the gate most (regional partners count as their brand).
About this data
Based on 3 full days of flights at STL, Oct 3–5, 2026. Gates of its own are the gates where United flies the most (regional partners count as their brand). Every one of its departures has a seat count.
United at STL: questions
What terminal is United at St. Louis Airport (STL)?
United flies from Terminal 1’s Concourse A at St. Louis Airport (STL).
What gates does United use at STL?
United has 7 gates at STL (the airline flying each one most): A14, A15, A16, A18, A19, A21 and A9. It used 7 gates in all over Oct 3–5, 2026.
How many flights a day does United have from STL?
About 24 departures a day and 2,507 seats, averaged over Oct 3–5, 2026.
Where does United fly nonstop from STL?
United flies nonstop to 9 cities from STL, the most often to Chicago O'Hare, Denver, Newark, Houston, Washington Dulles and San Francisco. Routes seen Oct 3–5, 2026.
When is United’s first flight out of STL?
Usually around 5:05 am; the last leaves around 7:05 pm.
Other airlines at STL
All of STL’s gates by airline · United at every airport we map · Nonstop routes from STL