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3,958 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: airlines and hours on this route all land within a few points of 85% on time.

Best time to leave 6–7 am 95% arrive on time from SEA
Best single flight AS 1387 SEA 19:42 → SNA 22:30 · 97% on time Avoid DL 2318 SEA 15:00 → SNA 17:47 · 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
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19
SEA
92
91
91
84
83
81
84
81
85
82
88
85
84
88
% 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.
Alaska 2,580 87% 0.8% 42 min
Delta (incl. SkyWest) 1,378 83% 0.8% 66 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.
AS 1387 SEA 19:42 SNA 22:30 97%
AS 699 SEA 06:40 SNA 09:34 92%
AS 1307 SEA 18:42 SNA 21:30 88%
AS 773 SEA 13:49 SNA 16:41 87%
AS 759 SEA 08:18 SNA 11:15 86%
· · ·
AS 1357 SEA 11:06 SNA 13:55 85%
DL 2318 SEA 15:00 SNA 17:47 81%
All 17 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.
Alaska SEA SNA 2h 50m 87% 0.8% 2,580 Flying now
Delta SEA SNA 2h 54m 83% 0.8% 1,378 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