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4,636 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 3 in 4.

Best time to leave 9–10 am 96% arrive on time from ATL
Best single flight DL 1699 ATL 08:43 → RDU 10:10 · 93% on time Avoid F9 1670 ATL 22:40 → RDU 00:10 · 51% 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
82
91
89
95
85
83
89
83
82
81
83
83
76
77
72
68
% 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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
Southwest 216 88% 1.4% 61 min
Delta (incl. Endeavor) 3,808 84% 1.3% 60 min
Frontier 612 60% 2.6% 73 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 1699 ATL 08:43 RDU 10:10 93%
DL 2026 ATL 13:02 RDU 14:29 89%
DL 2052 ATL 10:10 RDU 11:44 88%
DL 1550 ATL 14:45 RDU 16:14 85%
DL 2600 ATL 15:48 RDU 17:22 79%
· · ·
DL 1097 ATL 17:24 RDU 18:54 74%
F9 1168 ATL 06:40 RDU 08:11 68%
F9 1670 ATL 22:40 RDU 00:10 51%
All 15 flights on this route →

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 RDU 1h 23m 84% 1.3% 3,808 Flying now
Frontier ATL RDU 1h 31m 60% 2.6% 612 Flying now
Southwest ATL RDU 1h 25m 88% 1.4% 216 Not 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