Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
DL 3957 · Louisville (SDF) → Detroit (DTW)
Sold by Delta, flown by SkyWest. Still flying: 1 of the last 56 days.
Arrives on time70%within 15 minutes, of 108 flights
Cancelled0.9%of scheduled flights
An hour or more late17%of flights that operated
When late, on average117 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves SDF
- 17:52
- Arrives DTW
- 19:15
- Flight time
- 1h 23m
- Days flown, last 8 weeks
- 1 of 56
Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.
How late it arrives
Share of flights that operated arriving more than this late.
Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.
Its hour at SDF
All flights leaving Louisville (SDF) at 5–6 pm, wherever they’re going: 70% left within 15 minutes and 2.5% were cancelled (1,862 flights in the year). Other Delta flights on this route →
Upcoming forecasts
This flight isn’t in our published forecasts for the next few days.