Flight OddsDL4921 MSP → SDF
Delta Air Lines · Minneapolis, MN to Louisville, KY · 73 flights observed, 2025-10-06 to 2025-12-19 · 604 mi
DL4921 covers more than one route in the data window — the stats below are for MSP → SDF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
74%
Median delay
-8 min
90th percentile
+73 min
Cancellation rate
1%
How often is DL4921 on time?
Across 73 flights on MSP → SDF from 2025-10-06 to 2025-12-19, DL4921 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +73 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 | 53 | 74% |
| 16-30 min | 4 | 6% |
| 31-60 min | 7 | 10% |
| 61-120 min | 4 | 6% |
| 2+ hrs | 4 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 25 | 80% | +2 min |
| 2025-11 | 29 | 79% | +26 min |
| 2025-12 | 18 | 56% | +29 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 82% |
| Tue | 11 | 82% |
| Wed | 11 | 100% |
| Thu | 10 | 50% |
| Fri | 9 | 89% |
| Sat | 10 | 80% |
| Sun | 10 | 30% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…