Flight OddsDL2511 ATL → ROC
Delta Air Lines · Atlanta, GA to Rochester, NY · 361 flights observed, 2025-07-01 to 2026-06-30 · 749 mi
DL2511 covers more than one route in the data window — the stats below are for ATL → ROC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-4 min
90th percentile
+29 min
Cancellation rate
2%
How often is DL2511 on time?
Across 361 flights on ATL → ROC from 2025-07-01 to 2026-06-30, DL2511 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +29 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 295 | 83% |
| 16-30 min | 26 | 7% |
| 31-60 min | 22 | 6% |
| 61-120 min | 8 | 2% |
| 2+ hrs | 3 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 81% | +4 min |
| 2025-08 | 31 | 81% | -1 min |
| 2025-09 | 30 | 90% | -6 min |
| 2025-10 | 30 | 90% | -2 min |
| 2025-11 | 29 | 83% | +7 min |
| 2025-12 | 29 | 52% | +36 min |
| 2026-01 | 29 | 69% | +9 min |
| 2026-02 | 28 | 89% | +2 min |
| 2026-03 | 29 | 86% | +3 min |
| 2026-04 | 28 | 89% | -4 min |
| 2026-05 | 31 | 94% | -11 min |
| 2026-06 | 29 | 97% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 78% |
| Tue | 53 | 81% |
| Wed | 52 | 88% |
| Thu | 51 | 92% |
| Fri | 52 | 79% |
| Sat | 47 | 79% |
| Sun | 50 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…