Flight OddsDL2511 ROC → ATL
Delta Air Lines · Rochester, NY to Atlanta, GA · 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 ROC → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-7 min
90th percentile
+41 min
Cancellation rate
2%
How often is DL2511 on time?
Across 361 flights on ROC → ATL from 2025-07-01 to 2026-06-30, DL2511 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +41 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 | 283 | 80% |
| 16-30 min | 20 | 6% |
| 31-60 min | 27 | 8% |
| 61-120 min | 16 | 5% |
| 2+ hrs | 6 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 87% | -3 min |
| 2025-08 | 31 | 81% | +0 min |
| 2025-09 | 30 | 97% | -10 min |
| 2025-10 | 31 | 87% | +1 min |
| 2025-11 | 29 | 76% | +0 min |
| 2025-12 | 28 | 43% | +51 min |
| 2026-01 | 29 | 66% | +18 min |
| 2026-02 | 28 | 71% | +9 min |
| 2026-03 | 29 | 90% | -2 min |
| 2026-04 | 28 | 89% | -11 min |
| 2026-05 | 31 | 87% | -8 min |
| 2026-06 | 28 | 89% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 48 | 77% |
| Tue | 53 | 81% |
| Wed | 52 | 83% |
| Thu | 52 | 83% |
| Fri | 52 | 79% |
| Sat | 47 | 77% |
| Sun | 48 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…