Route
STL → DTW
St. Louis Lambert International Airport Detroit Metropolitan Wayne County Airport
How punctual is this route?
- On-time arrivals
- 81.1%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 89 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,899
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 50%
- Late-arriving aircraft 37%
- Air traffic control & airport 7%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 93.9% | 148 |
| October 2025 | 87.1% | 171 |
| November 2025 | 86.8% | 153 |
| December 2025 | 78.1% | 156 |
| January 2026 | 75.4% | 122 |
| February 2026 | 79.5% | 112 |
| March 2026 | 78.2% | 161 |
| April 2026 | 86.2% | 167 |
| May 2026 | 82.4% | 179 |
| June 2026 | 71.9% | 173 |
| July 2026 | 70.3% | 177 |
| August 2026 | 83.2% | 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 | 88.2% | 1.8% | 115 min |
| Southwest Airlines | 611 | 71.5% | 0.2% | 64 min |
| SkyWest Airlines | 183 | 71.3% | 1.1% | 112 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.
-
DL1626
8% late · 347 flights
-
DL2868
9% late · 246 flights
-
DL2822
19% late · 117 flights
-
DL1548
14% late · 96 flights
-
DL1371
18% late · 91 flights
-
DL1537
16% late · 68 flights
-
OO3960
37% late · 60 flights
-
DL1502
12% late · 58 flights
-
WN140
43% late · 58 flights
-
WN175
22% late · 58 flights
-
WN1926
14% late · 57 flights
-
WN2710
7% late · 55 flights
-
WN4822
52% late · 44 flights
-
OO3863
25% late · 36 flights
-
WN3010
37% late · 35 flights
-
WN4177
26% late · 35 flights
-
WN1874
41% late · 33 flights
-
DL1620
19% late · 31 flights
-
WN700
16% late · 31 flights
-
OO3739
23% late · 26 flights
-
DL2821
4% late · 24 flights
-
WN3668
17% late · 23 flights
-
WN4340
22% late · 23 flights
-
OO3854
10% late · 21 flights
Reviews
No reviews yet. Be the first to review this route.