Flight OddsDL1511 ATL → SDF
Delta Air Lines · Atlanta, GA to Louisville, KY · 171 flights observed, 2025-07-01 to 2025-12-18 · 321 mi
DL1511 covers more than one route in the data window — the stats below are for ATL → SDF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-7 min
90th percentile
+37 min
Cancellation rate
0%
How often is DL1511 on time?
Across 171 flights on ATL → SDF from 2025-07-01 to 2025-12-18, DL1511 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +37 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 | 141 | 83% |
| 16-30 min | 10 | 6% |
| 31-60 min | 4 | 2% |
| 61-120 min | 8 | 5% |
| 2+ hrs | 6 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 87% | +3 min |
| 2025-08 | 30 | 77% | +14 min |
| 2025-09 | 30 | 93% | -10 min |
| 2025-10 | 31 | 87% | +3 min |
| 2025-11 | 30 | 77% | +32 min |
| 2025-12 | 18 | 78% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 79% |
| Tue | 24 | 83% |
| Wed | 25 | 92% |
| Thu | 25 | 84% |
| Fri | 23 | 83% |
| Sat | 24 | 79% |
| Sun | 24 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…