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1,515 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 78%.

Best time to leave 10–11 am 95% arrive on time from RDU
Best single flight DL 1427 RDU 09:54 → DTW 11:36 · 94% on time Avoid DL 1407 RDU 18:40 → DTW 20:31 · 83% 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
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RDU
93
91
94
85
83
86
80
74
% 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
Detroit flights leaving RDU 12–1 pm: 1Close ×
DL 2164 RDU 12:36 DTW 14:24 1h 48m 269 86% 1.5% 69 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 (incl. Endeavor) 1,351 88% 1.6% 86 min
Spirit 53 – 0.0% 62 min
Frontier 111 – 0.9% 59 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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 1427 RDU 09:54 DTW 11:36 94%
DL 1388 RDU 05:33 DTW 07:18 93%
DL 2164 RDU 12:36 DTW 14:24 86%
DL 1407 RDU 18:40 DTW 20:31 83%
All 6 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 DTW 1h 51m 88% 1.6% 1,351 Flying now
Spirit RDU DTW 1h 45m 89% 0.0% 53 Not flying now
Frontier RDU DTW 1h 52m 88% 0.9% 111 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