Flight OddsDL5231 DTW → SDF
Delta Air Lines · Detroit, MI to Louisville, KY · 11 flights observed, 2026-01-20 to 2026-02-11 · 306 mi
DL5231 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
91%
Median delay
-21 min
90th percentile
+4 min
Cancellation rate
0%
How often is DL5231 on time?
Across 11 flights on DTW → SDF from 2026-01-20 to 2026-02-11, DL5231 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -21 min, and the worst 10% of flights arrived +4 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 10 | 91% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 9% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 6 | 83% | -5 min |
| 2026-02 | 5 | 100% | -18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 4 | 75% |
| Wed | 4 | 100% |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 3 | 100% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…