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Showing Delta only (incl. its regional partners)All airlines ×
2,226 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 95% depart on time. After 4 pm it’s 4 in 5.

Best time to leave 7–8 am 93% arrive on time from SEA
Best single flight DL 1628 SEA 07:15 → LAX 10:05 · 93% on time Avoid DL 2861 SEA 17:30 → LAX 20:15 · 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).

7
8
9
10
11
12
13
14
15
16
17
18
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20
21
SEA
95
84
89
80
89
83
85
88
79
81
73
79
% 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.
DL 1628 SEA 07:15 LAX 10:05 93%
DL 2914 SEA 12:35 LAX 15:26 86%
DL 2769 SEA 10:05 LAX 12:54 85%
DL 2830 SEA 14:55 LAX 17:40 85%
DL 2854 SEA 20:25 LAX 23:15 78%
· · ·
DL 2861 SEA 17:30 LAX 20:15 76%

All 7 Delta 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 1628 SEA 07:15 LAX 10:05 2h 50m 361 93% 0.0% 52 min
DL 2769 SEA 10:05 LAX 12:54 2h 49m 365 85% 1.9% 48 min
DL 2914 SEA 12:35 LAX 15:26 2h 51m 327 86% 0.6% 46 min
DL 2830 SEA 14:55 LAX 17:40 2h 45m 349 85% 0.9% 57 min
DL 2861 SEA 17:30 LAX 20:15 2h 45m 365 76% 0.0% 67 min
DL 2854 SEA 20:25 LAX 23:15 2h 50m 320 78% 0.6% 70 min
DL 2512 SEA 21:40 LAX 00:29 2h 45m 60 70% 0.0% 42 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 SEA LAX 2h 45m 84% 0.6% 2,226 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