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1,221 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 94% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 6–7 am 94% arrive on time from RDU
Best single flight DL 4921 RDU 07:00 → AUS 09:11 · 89% on time Avoid DL 4967 RDU 16:30 → AUS 18:58 · 81% 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
RDU
98
93
80
70
70
% 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.
Delta (incl. Endeavor) 700 86% 0.7% 66 min
Southwest 521 80% 0.6% 55 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 4921flown by Endeavor RDU 07:00 AUS 09:11 89%
DL 4967flown by Endeavor RDU 16:30 AUS 18:58 81%

All 6 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 4921flown by Endeavor RDU 07:00 AUS 09:11 3h 11m 207 89% 1.9% 75 min
WN 2576 RDU 07:00 AUS 08:55 2h 55m 16 75% 0.0% 30 min
WN 1067 RDU 10:05 AUS 12:00 2h 55m 33 79% 0.0% 75 min
DL 4967flown by Endeavor RDU 16:30 AUS 18:58 3h 35m 324 81% 0.3% 64 min
WN 4818 RDU 17:20 AUS 19:20 3h 00m 16 69% 0.0% 49 min
WN 3417 RDU 19:15 AUS 21:15 3h 00m 34 32% 0.0% 63 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 AUS 3h 35m 86% 0.7% 700 Flying now
Southwest RDU AUS 3h 10m 80% 0.6% 521 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