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3,010 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 58%.

Best time to leave 9–10 am 89% arrive on time from RDU
Best single flight DL 5006 RDU 06:00 → DCA 07:19 · 82% on time Avoid DL 5310 RDU 15:42 → DCA 17:07 · 47% 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).

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
RDU
92
91
81
88
74
78
66
54
66
59
62
46
% 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
Washington flights leaving RDU 8–9 pm: 2Close ×
AA 4752flown by Republic RDU 20:04 DCA 21:30 1h 26m 21 38% 23.8% 96 min
AA 4029flown by Envoy RDU 20:06 DCA 21:30 1h 24m 36 48% 8.3% 76 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.
American (incl. Envoy, PSA, Republic) 2,009 63% 5.1% 80 min
Delta (incl. Endeavor) 1,001 60% 3.7% 67 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 5006flown by Endeavor RDU 06:00 DCA 07:19 82%
DL 5198flown by Endeavor RDU 19:47 DCA 21:20 49%
DL 5310flown by Endeavor RDU 15:42 DCA 17:07 47%
All 10 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.
American RDU DCA 1h 20m 63% 5.1% 2,009 Flying now
Delta RDU DCA 1h 25m 60% 3.7% 1,001 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