Las Vegas (LAS) to St Louis (STL) flights
Southwest Airlines, Frontier Airlines fly nonstop from Harry Reid International Airport to St. Louis Lambert International Airport, with about 44 flights a week in July 2026. The 1,371-mile flight takes about 3h 2m gate to gate.
- Distance
- 1,371 mi · 2,206 km
- Flight time
- 3h 2m
- Airlines
- 2
- Seats filled
- 76%
Airlines flying LAS to STL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 37 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 234,591 | 3h 0m |
| Frontier Airlines | 7 | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 44,612 | 3h 12m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
LAS to STL flight schedule
8 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 6:55am and the last at 7:25pm. 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) |
|---|---|---|---|---|
| WN 2977Southwest Airlines | 6:55am | 12:05pm | 20 | 90% |
| WN 580Southwest Airlines | 8:30am | 1:40pm | 12 | 75% |
| WN 556Southwest Airlines | 12:35pm | 5:50pm | 12 | 92% |
| F9 3108Frontier Airlines | 12:50pm | 6:15pm | 28 | 79% |
| WN 2317Southwest Airlines | 12:50pm | 6:05pm | 28 | 71% |
| WN 2319Southwest Airlines | 5:30pm | 10:40pm | 14 | 64% |
| WN 1559Southwest Airlines | 5:35pm | 10:45pm | 10 | 60% |
| WN 4528Southwest Airlines | 7:25pm | 12:35am | 16 | 80% |
Is LAS to STL on time?
From September 2025 to August 2026, 78% of 2,101 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 6am were the most punctual (93%), those around 2pm the least (66%). Most delay time was caused by late-arriving aircraft (54%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,784 | 77% | 14 min | 0.2% |
| Frontier Airlines | 317 | 83% | 13 min | 2.2% |
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 |
|---|---|---|---|
| 5am to 6am | 44 | 98% | |
| 6am to 7am | 348 | 93% | |
| 7am to 8am | 44 | 93% | |
| 8am to 9am | 195 | 87% | |
| 9am to 10am | 115 | 88% | |
| 10am to 11am | 65 | 91% | |
| 11am to 12pm | 104 | 82% | |
| 12pm to 1pm | 229 | 70% | |
| 1pm to 2pm | 110 | 66% | |
| 2pm to 3pm | 146 | 66% | |
| 3pm to 4pm | 117 | 75% | |
| 4pm to 5pm | 148 | 78% | |
| 5pm to 6pm | 151 | 70% | |
| 6pm to 7pm | 139 | 69% | |
| 7pm to 8pm | 89 | 57% | |
| 8pm to 9pm | 57 | 58% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 161 | 20,926 | |
| September 2025 | 164 | 21,813 | |
| October 2025 | 192 | 26,223 | |
| November 2025 | 173 | 22,170 | |
| December 2025 | 189 | 21,791 | |
| January 2026 | 162 | 21,302 | |
| February 2026 | 146 | 19,581 | |
| March 2026 | 211 | 29,168 | |
| April 2026 | 171 | 22,003 | |
| May 2026 | 173 | 23,178 | |
| June 2026 | 179 | 25,986 | |
| July 2026 | 196 | 26,589 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.