Route
DTW → STL
Detroit Metropolitan Wayne County Airport St. Louis Lambert International Airport
How punctual is this route?
- On-time arrivals
- 76.6%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,899
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 48%
- Late-arriving aircraft 35%
- Air traffic control & airport 12%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 91.9% | 148 |
| October 2025 | 78.9% | 171 |
| November 2025 | 79.3% | 153 |
| December 2025 | 60.5% | 156 |
| January 2026 | 66.7% | 122 |
| February 2026 | 75.0% | 112 |
| March 2026 | 72.0% | 161 |
| April 2026 | 81.2% | 167 |
| May 2026 | 78.9% | 179 |
| June 2026 | 75.1% | 173 |
| July 2026 | 75.0% | 177 |
| August 2026 | 81.0% | 180 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Delta Air Lines | 1,104 | 80.4% | 1.3% | 67 min |
| Southwest Airlines | 611 | 74.3% | 0.7% | 57 min |
| SkyWest Airlines | 183 | 61.2% | 1.6% | 90 min |
| NK | 1 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL2822
21% late · 332 flights
-
DL1541
25% late · 321 flights
-
DL2868
12% late · 246 flights
-
DL1537
26% late · 93 flights
-
DL1371
12% late · 91 flights
-
OO3960
46% late · 60 flights
-
WN1368
45% late · 60 flights
-
WN2361
5% late · 58 flights
-
WN1783
4% late · 52 flights
-
WN692
50% late · 50 flights
-
WN4159
58% late · 43 flights
-
WN2247
20% late · 42 flights
-
OO3863
36% late · 36 flights
-
WN2716
12% late · 35 flights
-
WN2867
12% late · 33 flights
-
OO3739
36% late · 26 flights
-
WN493
12% late · 26 flights
-
WN2869
35% late · 23 flights
-
OO3854
5% late · 21 flights
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