Flight OddsDL1523 ATL → SDF
Delta Air Lines · Atlanta, GA to Louisville, KY · 43 flights observed, 2026-05-07 to 2026-06-26 · 321 mi
DL1523 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
95%
Median delay
-11 min
90th percentile
+6 min
Cancellation rate
7%
How often is DL1523 on time?
Across 43 flights on ATL → SDF from 2026-05-07 to 2026-06-26, DL1523 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +6 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 37 | 95% |
| 16-30 min | 1 | 3% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 18 | 100% | -9 min |
| 2026-06 | 21 | 90% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | 7 | 86% |
| Wed | 7 | 100% |
| Thu | 7 | 100% |
| Fri | 8 | 100% |
| Sat | No data | — |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…