Milwaukee (MKE) to St Louis (STL) flights
Southwest Airlines flies nonstop from General Mitchell International Airport to St. Louis Lambert International Airport, with about 13 flights a week in July 2026. The 317-mile flight takes about 1h 12m gate to gate.
- Distance
- 317 mi · 510 km
- Flight time
- 1h 12m
- Airlines
- 1
- Seats filled
- 67%
Airlines flying MKE to STL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 13 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 70,017 | 1h 12m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MKE to STL flight schedule
6 flight numbers flew this route in August 2026. The first usually leaves at 6:15am and the last at 5:25pm. 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 868Southwest Airlines | 6:15am | 7:30am | 4 | n/a |
| WN 2955Southwest Airlines | 8:00am | 9:15am | 16 | 94% |
| WN 2890Southwest Airlines | 8:20am | 9:35am | 8 | n/a |
| WN 2891Southwest Airlines | 4:25pm | 5:40pm | 8 | n/a |
| WN 1766Southwest Airlines | 4:50pm | 6:05pm | 12 | 75% |
| WN 1949Southwest Airlines | 5:25pm | 6:40pm | 4 | n/a |
Is MKE to STL on time?
From September 2025 to August 2026, 89% of 681 flights arrived within 15 minutes of schedule and 0.9% were cancelled. Flights leaving around 8am were the most punctual (98%), those around 5pm the least (73%). Most delay time was caused by late-arriving aircraft (53%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 681 | 89% | 8 min | 0.9% |
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 | 87 | 94% | |
| 6am to 7am | 77 | 95% | |
| 7am to 8am | 68 | 93% | |
| 8am to 9am | 122 | 98% | |
| 3pm to 4pm | 19 | 95% | |
| 4pm to 5pm | 124 | 84% | |
| 5pm to 6pm | 120 | 73% | |
| 6pm to 7pm | 48 | 88% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 61 | 8,051 | |
| September 2025 | 60 | 7,601 | |
| October 2025 | 57 | 6,842 | |
| November 2025 | 54 | 5,519 | |
| December 2025 | 58 | 6,156 | |
| January 2026 | 55 | 4,102 | |
| February 2026 | 52 | 4,614 | |
| March 2026 | 51 | 5,048 | |
| April 2026 | 58 | 5,625 | |
| May 2026 | 61 | 5,371 | |
| June 2026 | 55 | 5,549 | |
| July 2026 | 58 | 5,539 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.