Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
DL 3957 · Detroit (DTW) → Louisville (SDF)
Sold by Delta, flown by SkyWest. Still flying: 1 of the last 56 days.
Arrives on time69%within 15 minutes, of 132 flights
Cancelled0.8%of scheduled flights
An hour or more late17%of flights that operated
When late, on average81 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves DTW
- 15:50
- Arrives SDF
- 17:12
- Flight time
- 1h 22m
- 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 DTW
All flights leaving Detroit (DTW) at 3–4 pm, wherever they’re going: 75% left within 15 minutes and 1.6% were cancelled (8,139 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.