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1,453 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 95% depart on time. After 4 pm it’s 83%.

Best time to leave 10–11 am 93% arrive on time from RDU
Best single flight UA 1789 RDU 06:00 → IAD 07:11 · 96% 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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
United (incl. GoJet, Mesa, Republic) 1,453 87% 1.2% 102 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.
UA 1789 RDU 06:00 IAD 07:11 96%

All 4 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.
UA 1789 RDU 06:00 IAD 07:11 1h 11m 167 96% 1.8% 60 min
UA 1535 RDU 10:32 IAD 11:43 1h 11m 149 90% 0.7% 68 min
UA 6265flown by Mesa RDU 15:00 IAD 16:21 1h 21m 59 76% 0.0% 247 min
UA 3520flown by Republic RDU 19:45 IAD 21:06 1h 21m 63 72% 4.8% 115 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.
United RDU IAD 1h 13m 87% 1.2% 1,453 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