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Showing Delta only (incl. its regional partners)All airlines ×
1,351 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 3 in 4.

Best time to leave 5–6 am 93% 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).

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RDU
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% 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 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 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 1388 RDU 05:33 DTW 07:18 1h 45m 365 93% 1.1% 106 min
DL 1427 RDU 09:54 DTW 11:36 1h 42m 245 94% 2.9% 57 min
DL 2164 RDU 12:36 DTW 14:24 1h 48m 269 86% 1.5% 69 min
DL 2265 RDU 13:00 DTW 14:58 1h 58m 48 91% 2.1% 161 min
DL 2174 RDU 13:17 DTW 15:06 1h 49m 31 94% 0.0% 120 min
DL 1407 RDU 18:40 DTW 20:31 1h 51m 179 83% 2.8% 97 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 RDU DTW 1h 51m 88% 1.6% 1,351 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