Tickets
Any day
Showing Alaska only (incl. its regional partners)All airlines ×
554 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Alaska’s SEA → RDU flights land within a few points of 82% on time whatever the hour.

Best time to leave 9–10 am 85% arrive on time from SEA
Best single flight AS 572 SEA 08:20 → RDU 16:31 · 84% 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).

8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
SEA
80
% 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.

AS 572 SEA 08:20 RDU 16:31 84%

All 3 Alaska 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.

AS 572 SEA 08:20 RDU 16:31 5h 11m 343 84% 0.6% 40 min
AS 677 SEA 21:33 RDU 05:40 5h 07m 117 86% 0.0% 39 min
AS 335 SEA 22:13 RDU 06:22 5h 09m 28 79% 0.0% 44 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.

Alaska SEA RDU 5h 11m 82% 0.7% 554 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