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4,637 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 77%.

Best time to leave 9–10 am 96% arrive on time from RDU
Best single flight DL 1192 RDU 06:20 → ATL 07:48 · 95% on time Avoid F9 1669 RDU 12:10 → ATL 13:51 · 67% 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
RDU
94
94
92
90
97
92
91
85
88
90
82
74
82
78
71
84
% 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 91% 0.9% 70 min
Delta (incl. Endeavor) 3,809 89% 1.5% 87 min
Frontier 612 75% 2.3% 106 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 1192 RDU 06:20 ATL 07:48 95%
DL 1552 RDU 05:20 ATL 06:44 95%
DL 1699 RDU 11:15 ATL 12:42 93%
DL 2052 RDU 12:49 ATL 14:18 90%
DL 1530 RDU 08:50 ATL 10:20 90%
· · ·
DL 1550 RDU 17:19 ATL 18:51 83%
F9 4797 RDU 06:15 ATL 08:08 81%
F9 1669 RDU 12:10 ATL 13:51 67%
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 RDU ATL 1h 31m 89% 1.5% 3,809 Flying now
Frontier RDU ATL 1h 43m 75% 2.3% 612 Flying now
Southwest RDU ATL 1h 30m 91% 0.9% 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