Salt Lake City (SLC) to St Louis (STL) flights
Delta Air Lines flies nonstop from Salt Lake City International Airport to St. Louis Lambert International Airport, with about 20 flights a week in July 2026. The 1,156-mile flight takes about 2h 43m gate to gate.
- Distance
- 1,156 mi · 1,860 km
- Flight time
- 2h 43m
- Airlines
- 1
- Seats filled
- 78%
Airlines flying SLC to STL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 20 | Airbus A220-100, Airbus A319, Airbus A220-300 | 91,418 | 2h 43m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SLC to STL flight schedule
3 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 9:45am and the last at 8:50pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| DL 2455Delta Air Lines | 9:45am | 1:38pm | 31 | 90% |
| DL 1492Delta Air Lines | 3:05pm | 6:55pm | 26 | 80% |
| DL 2666Delta Air Lines | 8:50pm | 12:41am | 30 | 80% |
Is SLC to STL on time?
From September 2025 to August 2026, 84% of 990 flights arrived within 15 minutes of schedule and 0.6% were cancelled. Flights leaving around 9am were the most punctual (89%), those around 8pm the least (78%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (64%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 981 | 84% | 10 min | 0.6% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 9am to 10am | 342 | 89% | |
| 1pm to 2pm | 65 | 84% | |
| 2pm to 3pm | 54 | 87% | |
| 3pm to 4pm | 133 | 79% | |
| 5pm to 6pm | 101 | 82% | |
| 8pm to 9pm | 256 | 78% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 88 | 8,419 | |
| September 2025 | 81 | 7,562 | |
| October 2025 | 88 | 7,462 | |
| November 2025 | 83 | 6,768 | |
| December 2025 | 78 | 7,029 | |
| January 2026 | 61 | 6,024 | |
| February 2026 | 65 | 5,602 | |
| March 2026 | 86 | 8,517 | |
| April 2026 | 85 | 8,692 | |
| May 2026 | 87 | 9,358 | |
| June 2026 | 88 | 8,990 | |
| July 2026 | 92 | 8,643 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.