Dallas (DAL) to St Louis (STL) flights
Southwest Airlines flies nonstop from Dallas Love Field to St. Louis Lambert International Airport, with about 40 flights a week in July 2026. The 546-mile flight takes about 1h 36m gate to gate.
- Distance
- 546 mi · 879 km
- Flight time
- 1h 36m
- Airlines
- 1
- Seats filled
- 67%
Airlines flying DAL to STL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 40 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 211,403 | 1h 36m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DAL to STL flight schedule
12 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 6:00am and the last at 6:30pm. 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 1373Southwest Airlines | 6:00am | 7:45am | 24 | 88% |
| WN 1400Southwest Airlines | 7:40am | 9:25am | 24 | 67% |
| WN 4699Southwest Airlines | 9:10am | 10:55am | 16 | 100% |
| WN 1733Southwest Airlines | 10:05am | 11:50am | 12 | 83% |
| WN 865Southwest Airlines | 11:20am | 1:00pm | 4 | n/a |
| WN 1522Southwest Airlines | 12:40pm | 2:25pm | 12 | 92% |
| WN 22Southwest Airlines | 1:35pm | 3:20pm | 4 | n/a |
| WN 986Southwest Airlines | 2:40pm | 4:25pm | 8 | 88% |
| WN 1375Southwest Airlines | 4:10pm | 5:55pm | 24 | 50% |
| WN 1418Southwest Airlines | 4:20pm | 6:05pm | 4 | n/a |
| WN 1514Southwest Airlines | 5:35pm | 7:20pm | 12 | 50% |
| WN 4120Southwest Airlines | 6:30pm | 8:10pm | 16 | 75% |
Is DAL to STL on time?
From September 2025 to August 2026, 76% of 1,943 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 6am were the most punctual (93%), those around 8pm the least (56%). Most delay time was caused by late-arriving aircraft (60%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,943 | 76% | 15 min | 1.2% |
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 |
|---|---|---|---|
| 6am to 7am | 151 | 93% | |
| 7am to 8am | 191 | 89% | |
| 8am to 9am | 113 | 91% | |
| 9am to 10am | 85 | 84% | |
| 10am to 11am | 75 | 85% | |
| 11am to 12pm | 191 | 84% | |
| 12pm to 1pm | 91 | 89% | |
| 1pm to 2pm | 120 | 65% | |
| 3pm to 4pm | 115 | 84% | |
| 4pm to 5pm | 69 | 57% | |
| 5pm to 6pm | 174 | 63% | |
| 6pm to 7pm | 136 | 78% | |
| 7pm to 8pm | 103 | 76% | |
| 8pm to 9pm | 140 | 56% | |
| 9pm to 10pm | 74 | 38% | |
| 10pm to 11pm | 83 | 61% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 169 | 18,721 | |
| September 2025 | 172 | 19,130 | |
| October 2025 | 154 | 19,020 | |
| November 2025 | 147 | 16,889 | |
| December 2025 | 155 | 16,727 | |
| January 2026 | 140 | 12,936 | |
| February 2026 | 149 | 12,963 | |
| March 2026 | 166 | 19,193 | |
| April 2026 | 154 | 16,772 | |
| May 2026 | 166 | 19,778 | |
| June 2026 | 169 | 19,900 | |
| July 2026 | 178 | 19,374 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.