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Showing United only (incl. its regional partners)All airlines ×
2,327 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: United’s SEA → SFO flights land within a few points of 2 in 3 on time whatever the hour.

Best time to leave 2–3 pm 96% arrive on time from SEA
Best single flight UA 1482 SEA 10:29 → SFO 12:47 · 71% on time Avoid UA 737 SEA 13:30 → SFO 15:48 · 56% 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).

5
6
7
8
9
10
11
12
13
14
15
16
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19
SEA
94
98
67
47
76
31
60
87
64
90
77
72
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.
UA 1482 SEA 10:29 SFO 12:47 71%
UA 737 SEA 13:30 SFO 15:48 56%

All 15 United 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.
UA 1259 SEA 05:00 SFO 07:10 2h 10m 15 93% 6.7% 42 min
UA 5676flown by SkyWest SEA 05:15 SFO 07:35 2h 20m 135 87% 0.7% 60 min
UA 2029 SEA 05:15 SFO 07:25 2h 10m 11 100% 9.1% –
UA 1578 SEA 07:00 SFO 09:18 2h 18m 35 11% 0.0% 64 min
UA 2842 SEA 07:00 SFO 09:18 2h 18m 24 12% 0.0% 69 min
UA 2831 SEA 08:45 SFO 11:03 2h 18m 72 33% 2.8% 79 min
UA 1482 SEA 10:29 SFO 12:47 2h 18m 233 71% 0.4% 60 min
UA 2205 SEA 13:30 SFO 15:48 2h 18m 23 27% 4.3% 50 min
UA 737 SEA 13:30 SFO 15:48 2h 18m 362 56% 0.6% 64 min
UA 325 SEA 15:33 SFO 17:47 2h 14m 101 84% 1.0% 61 min
UA 2866 SEA 15:33 SFO 17:47 2h 14m 110 56% 0.0% 74 min
UA 2164 SEA 17:20 SFO 19:37 2h 17m 23 43% 0.0% 56 min
UA 5592flown by SkyWest SEA 17:20 SFO 19:50 2h 30m 10 60% 0.0% 96 min
UA 2837 SEA 19:05 SFO 21:21 2h 16m 35 24% 0.0% 71 min
UA 2241 SEA 19:05 SFO 21:21 2h 16m 37 22% 2.7% 73 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.
United SEA SFO 2h 18m 65% 0.8% 2,327 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