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Showing Alaska only (incl. its regional partners)All airlines ×
2,631 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 3 in 4.

Best time to leave 7–8 am 94% arrive on time from SEA
Best single flight AS 704 SEA 20:15 → LAS 22:55 · 89% on time Avoid AS 730 SEA 17:40 → LAS 20:18 · 73% 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).

7
8
9
10
11
12
13
14
15
16
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SEA
92
87
86
81
70
78
80
78
68
78
73
78
71
66
% 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 704 SEA 20:15 LAS 22:55 89%
AS 612 SEA 07:48 LAS 10:29 88%
AS 658 SEA 13:00 LAS 15:35 82%
AS 551 SEA 16:20 LAS 18:57 81%
AS 738 SEA 11:31 LAS 14:16 80%
· · ·
AS 600 SEA 15:18 LAS 17:53 77%
AS 478 SEA 18:21 LAS 21:00 75%
AS 730 SEA 17:40 LAS 20:18 73%

All 11 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 612 SEA 07:48 LAS 10:29 2h 41m 235 88% 0.4% 51 min
AS 610 SEA 10:31 LAS 13:10 2h 39m 28 93% 0.0% 36 min
AS 738 SEA 11:31 LAS 14:16 2h 45m 324 80% 0.3% 48 min
AS 658 SEA 13:00 LAS 15:35 2h 35m 266 82% 0.4% 42 min
AS 600 SEA 15:18 LAS 17:53 2h 35m 228 77% 0.4% 52 min
AS 1456 SEA 16:19 LAS 18:54 2h 35m 45 67% 0.0% 43 min
AS 551 SEA 16:20 LAS 18:57 2h 37m 260 81% 1.2% 51 min
AS 730 SEA 17:40 LAS 20:18 2h 37m 191 73% 1.0% 50 min
AS 478 SEA 18:21 LAS 21:00 2h 39m 327 75% 0.6% 46 min
AS 704 SEA 20:15 LAS 22:55 2h 40m 240 89% 2.1% 66 min
AS 636 SEA 21:23 LAS 23:59 2h 36m 121 69% 0.8% 40 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 LAS 2h 37m 80% 0.8% 2,631 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