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2,689 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 84% on time.

Best time to leave 9–10 am 91% arrive on time from SEA
Best single flight AS 2100 SEA 23:15 → PSC 00:14 · 87% on time Avoid DL 4017 SEA 22:50 → PSC 23:59 · 83% 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
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13
14
15
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19
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SEA
89
91
87
76
90
91
86
89
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87
65
83
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88
83
86
% 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.
Delta (incl. SkyWest) 1,113 86% 0.3% 76 min
Alaska (incl. SkyWest, Horizon) 1,576 83% 1.8% 42 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 2100flown by Horizon SEA 23:15 PSC 00:14 87%
DL 3992flown by SkyWest SEA 10:35 PSC 11:48 86%
DL 3891flown by SkyWest SEA 13:30 PSC 14:45 83%
DL 4017flown by SkyWest SEA 22:50 PSC 23:59 83%

All 15 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 2195flown by Horizon SEA 08:52 PSC 09:53 1h 01m 52 90% 0.0% 26 min
AS 2140flown by Horizon SEA 10:01 PSC 11:04 1h 03m 73 90% 0.0% 53 min
DL 3992flown by SkyWest SEA 10:35 PSC 11:48 1h 13m 224 86% 0.4% 64 min
AS 2306flown by Horizon SEA 11:20 PSC 12:19 59m 52 58% 0.0% 43 min
AS 2423flown by Horizon SEA 12:11 PSC 13:14 1h 03m 28 89% 0.0% 28 min
DL 3891flown by SkyWest SEA 13:30 PSC 14:45 1h 15m 217 83% 0.5% 54 min
DL 3955flown by SkyWest SEA 13:30 PSC 14:43 1h 13m 31 81% 0.0% 71 min
AS 2367flown by Horizon SEA 16:28 PSC 17:27 59m 134 82% 0.7% 32 min
AS 2435flown by Horizon SEA 17:40 PSC 18:40 1h 00m 28 93% 0.0% 26 min
AS 2416flown by Horizon SEA 20:30 PSC 21:29 59m 23 83% 0.0% 70 min
AS 2417flown by Horizon SEA 21:35 PSC 22:37 1h 02m 16 67% 6.2% 47 min
AS 2164flown by Horizon SEA 22:40 PSC 23:39 59m 22 95% 4.5% 32 min
AS 2403flown by Horizon SEA 22:44 PSC 23:43 59m 30 87% 0.0% 60 min
DL 4017flown by SkyWest SEA 22:50 PSC 23:59 1h 09m 364 83% 0.3% 101 min
AS 2100flown by Horizon SEA 23:15 PSC 00:14 59m 212 87% 2.8% 31 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 PSC 1h 13m 86% 0.3% 1,113 Flying now
Alaska SEA PSC 1h 03m 83% 1.8% 1,576 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