Flight OddsDL3957 DTW → SDF
Delta Air Lines · Detroit, MI to Louisville, KY · 163 flights observed, 2025-07-01 to 2026-06-06 · 306 mi
DL3957 covers more than one route in the data window — the stats below are for DTW → SDF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
65%
Median delay
0 min
90th percentile
+86 min
Cancellation rate
1%
How often is DL3957 on time?
Across 163 flights on DTW → SDF from 2025-07-01 to 2026-06-06, DL3957 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +86 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 104 | 65% |
| 16-30 min | 14 | 9% |
| 31-60 min | 15 | 9% |
| 61-120 min | 19 | 12% |
| 2+ hrs | 9 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 43% | +25 min |
| 2025-08 | 31 | 74% | +10 min |
| 2025-09 | 10 | 90% | -1 min |
| 2026-03 | 24 | 42% | +54 min |
| 2026-04 | 29 | 59% | +34 min |
| 2026-05 | 31 | 87% | +0 min |
| 2026-06 | 6 | 83% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 64% |
| Tue | 24 | 63% |
| Wed | 24 | 83% |
| Thu | 23 | 48% |
| Fri | 23 | 52% |
| Sat | 22 | 82% |
| Sun | 23 | 61% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…