1,041 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 68%.

Best time to leave 6–7 am 86% arrive on time from ROC

Best single flight DL 1200 ROC 06:00 → ATL 08:12 · 86% on time Avoid DL 2047 ROC 18:21 → ATL 20:35 · 78% 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).

ROC

% 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

Atlanta flights leaving ROC 6–7 am: 1Close ×


DL 1200	ROC 06:00	ATL 08:12	2h 12m	365	86%	3.3%	95 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.


Delta	1,041	81%	2.4%	76 min

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 1200	ROC 06:00	ATL 08:12	86%
DL 2511	ROC 12:26	ATL 14:35	78%
DL 2047	ROC 18:21	ATL 20:35	78%

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	ROC	ATL	2h 12m	81%	2.4%	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