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2,358 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 94% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 7–8 am 95% arrive on time from SEA
Best single flight AS 706 SEA 17:25 → OAK 19:33 · 77% on time Avoid AS 1328 SEA 11:41 → OAK 13:59 · 73% 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
18
19
20
21
SEA
93
93
96
86
77
67
71
59
77
61
69
61
63
52
48
67
% 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
Oakland flights leaving SEA 6–7 am: 1Close ×
WN 266 SEA 06:15 OAK 08:25 2h 10m 33 100% 0.0% –

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 (incl. SkyWest, Horizon) 1,256 81% 1.4% 47 min
Southwest 1,102 73% 0.2% 53 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 706 SEA 17:25 OAK 19:33 77%
AS 1328 SEA 11:41 OAK 13:59 73%
All 13 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 OAK 2h 11m 81% 1.4% 1,256 Flying now
Southwest SEA OAK 2h 10m 73% 0.2% 1,102 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