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7,463 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 82%.

Best time to leave 6–7 am 92% arrive on time from LAX
Best single flight DL 1714 LAX 09:40 → SEA 12:30 · 93% on time Avoid AS 1305 LAX 12:47 → SEA 15:33 · 76% 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
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12
13
14
15
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17
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LAX
95
92
92
87
88
80
77
78
83
79
86
83
79
80
86
78
% 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
Seattle flights leaving LAX 7–8 am: 3Close ×
AS 1413 LAX 07:00 SEA 10:00 3h 00m 42 90% 0.0% 131 min
AS 748 LAX 07:00 SEA 09:49 2h 49m 154 88% 0.6% 56 min
DL 2980 LAX 07:10 SEA 10:03 2h 53m 364 92% 1.4% 113 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.
United (incl. SkyWest) 942 89% 0.6% 51 min
Delta 2,225 87% 0.7% 74 min
Alaska (incl. SkyWest, Horizon) 3,304 86% 0.9% 52 min
Frontier 295 82% 3.4% 79 min
American (incl. SkyWest) 697 79% 0.6% 90 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 1714 LAX 09:40 SEA 12:30 93%
DL 2980 LAX 07:10 SEA 10:03 92%
AS 698 LAX 15:59 SEA 18:56 91%
DL 1045 LAX 11:59 SEA 14:54 89%
AS 614 LAX 20:09 SEA 22:58 88%
· · ·
F9 1177 LAX 15:15 SEA 18:26 82%
DL 1551 LAX 19:17 SEA 22:05 81%
AS 1305 LAX 12:47 SEA 15:33 76%
All 32 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.
United LAX SEA 3h 06m 89% 0.6% 942 Flying now
Delta LAX SEA 2h 53m 87% 0.7% 2,225 Flying now
Alaska LAX SEA 2h 55m 86% 0.9% 3,304 Flying now
Frontier LAX SEA 3h 01m 82% 3.4% 295 Flying now
American LAX SEA 2h 58m 79% 0.6% 697 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