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Showing Delta only (incl. its regional partners)All airlines ×
1,041 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s ATL → ROC flights land within a few points of 78% on time whatever the hour.

Best time to leave 9–10 am 85% arrive on time from ATL
Best single flight DL 2511 ATL 09:23 → ROC 11:31 · 84% on time Avoid DL 2472 ATL 21:46 → ROC 23:57 · 75% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

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ATL
86
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77
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
DL 2511 ATL 09:23 ROC 11:31 84%
DL 2047 ATL 15:15 ROC 17:23 76%
DL 2472 ATL 21:46 ROC 23:57 75%

All 3 Delta flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
DL 2511 ATL 09:23 ROC 11:31 2h 09m 361 84% 1.9% 46 min
DL 2047 ATL 15:15 ROC 17:23 2h 08m 315 76% 1.6% 64 min
DL 2472 ATL 21:46 ROC 23:57 2h 11m 365 75% 3.3% 54 min

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
Delta ATL ROC 2h 09m 78% 2.3% 1,041 Flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON