Route Reliability
Louisville → Detroit
SDF–DTW · 306 miles · Louisville Muhammad Ali International Airport to Detroit Metropolitan Wayne County Airport
- 82%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 0.8%
- Cancelled
- 1,321
- Flights in the data
Data through May 2026.
Airlines on this route
- Delta Air Lines82% on time · 1,297 flights
- Spirit Airlines83% on time · 24 flights
Too little history on this route to call a winner. We rank airlines only after 100 flights each.
What the data says
Morning-you made the right choice.
SDF–DTW flights departing between 6–9 AM arrived on time 90% of the time, versus 72% between 3–6 PM.
Skip Monday if you can.
SDF–DTW flights arrived on time 88% of the time on Saturdays. On Mondays: 78%.
Trending in the right direction.
SDF–DTW flights arrived on time 80% of the time over the last three months in the data, compared with 72% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon78%(199 flights)
- Tue82%(191 flights)
- Wed86%(186 flights)
- Thu81%(192 flights)
- Fri79%(194 flights)
- Sat88%(153 flights)
- Sun82%(195 flights)
- 6–9 AM90%(364 flights)
- 9 AM–12 PM85%(352 flights)
- 12–3 PM79%(186 flights)
- 3–6 PM72%(146 flights)
- 6–9 PM75%(262 flights)
Jun 84% → May 85% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 84% | 119 |
| July 2025 | 77% | 124 |
| August 2025 | 93% | 123 |
| September 2025 | 89% | 107 |
| October 2025 | 95% | 113 |
| November 2025 | 88% | 105 |
| December 2025 | 64% | 106 |
| January 2026 | 69% | 85 |
| February 2026 | 82% | 84 |
| March 2026 | 69% | 111 |
| April 2026 | 86% | 115 |
| May 2026 | 85% | 118 |
Keep nerding
Based on 1,321 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.