Route
SDF → DTW
Louisville Muhammad Ali International Airport Detroit Metropolitan Wayne County Airport
How punctual is this route?
- On-time arrivals
- 82.7%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 124 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,089
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 69%
- Extreme weather 18%
- Air traffic control & airport 9%
- Late-arriving aircraft 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 93.2% | 73 |
| October 2025 | 94.3% | 105 |
| November 2025 | 87.6% | 107 |
| December 2025 | 64.4% | 88 |
| January 2026 | 73.1% | 81 |
| February 2026 | 80.3% | 76 |
| March 2026 | 68.6% | 108 |
| April 2026 | 85.2% | 116 |
| May 2026 | 84.7% | 118 |
| June 2026 | 77.5% | 71 |
| July 2026 | 90.3% | 62 |
| August 2026 | 94.0% | 84 |
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 |
|---|---|---|---|---|
| SkyWest Airlines | 670 | 78.6% | 1.5% | 136 min |
| Republic Airways | 408 | 89.9% | 0.2% | 85 min |
| Delta Air Lines | 11 | 63.6% | 0.0% | 119 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
YX5824
10% late · 365 flights
-
OO3821
13% late · 205 flights
-
OO3993
17% late · 139 flights
-
OO3575
22% late · 79 flights
-
OO3957
38% late · 77 flights
-
YX5662
6% late · 35 flights
-
OO3931
33% late · 31 flights
-
OO4120
28% late · 25 flights
-
OO4122
25% late · 24 flights
-
OO3890
10% late · 22 flights
-
OO3848
15% late · 20 flights
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