St Louis (STL) to Detroit (DTW) flights
Delta Air Lines, Southwest Airlines fly nonstop from St. Louis Lambert International Airport to Detroit Metropolitan Wayne County Airport, with about 40 flights a week in July 2026. The 440-mile flight takes about 1h 26m gate to gate.
- Distance
- 440 mi · 708 km
- Flight time
- 1h 26m
- Airlines
- 2
- Seats filled
- 75%
Airlines flying STL to DTW
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 26 | Boeing 717-200, Airbus A319, Boeing 737-900ER | 92,230 | 1h 26m |
| Southwest Airlines | 14 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 68,002 | 1h 23m |
| SkyWest AirlinesSeasonal or ended | n/a | Bombardier CRJ900, Bombardier CRJ700, Bombardier CRJ550 | 11,616 | 1h 31m |
| Endeavor AirSeasonal or ended | n/a | Bombardier CRJ900, Bombardier CRJ700 | 1,333 | 1h 29m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A320-100/200, Airbus A320neo | 1,833 | 1h 28m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
STL to DTW flight schedule
9 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 6:30am and the last at 7:20pm. 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 1626Delta Air Lines | 6:30am | 9:04am | 31 | 92% |
| WN 2537Southwest Airlines | 10:10am | 12:40pm | 16 | 88% |
| WN 4490Southwest Airlines | 10:15am | 12:45pm | 4 | n/a |
| DL 2868Delta Air Lines | 10:33am | 1:05pm | 31 | 91% |
| WN 3833Southwest Airlines | 11:10am | 1:40pm | 8 | n/a |
| DL 1371Delta Air Lines | 2:10pm | 4:45pm | 25 | 82% |
| DL 2822Delta Air Lines | 6:25pm | 9:00pm | 31 | 81% |
| WN 1808Southwest Airlines | 6:50pm | 9:20pm | 12 | 0% |
| WN 1145Southwest Airlines | 7:20pm | 9:50pm | 16 | 75% |
Is STL to DTW on time?
From September 2025 to August 2026, 81% of 1,915 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 6am were the most punctual (92%), those around 7pm the least (54%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (51%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 1,303 | 86% | 16 min | 1.7% |
| Southwest Airlines | 611 | 72% | 18 min | 0.2% |
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 | 365 | 92% | |
| 8am to 9am | 39 | 97% | |
| 10am to 11am | 443 | 83% | |
| 11am to 12pm | 57 | 83% | |
| 1pm to 2pm | 118 | 80% | |
| 2pm to 3pm | 106 | 87% | |
| 5pm to 6pm | 211 | 84% | |
| 6pm to 7pm | 286 | 79% | |
| 7pm to 8pm | 139 | 54% | |
| 8pm to 9pm | 75 | 64% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 179 | 17,925 | |
| September 2025 | 156 | 14,768 | |
| October 2025 | 171 | 16,240 | |
| November 2025 | 152 | 13,975 | |
| December 2025 | 153 | 13,178 | |
| January 2026 | 125 | 9,145 | |
| February 2026 | 113 | 8,773 | |
| March 2026 | 159 | 12,734 | |
| April 2026 | 169 | 15,452 | |
| May 2026 | 176 | 17,931 | |
| June 2026 | 168 | 17,256 | |
| July 2026 | 175 | 17,637 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.