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7,223 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 63%.

Best time to leave 6–7 am 92% arrive on time from SFO
Best single flight UA 444 SFO 08:15 → SAN 09:59 · 81% on time Avoid F9 4306 SFO 22:23 → SAN 00:15 · 51% 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
17
18
19
20
21
22
SFO
88
96
93
89
79
59
66
66
60
64
49
57
73
64
71
50
59
59
% 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.
United (incl. SkyWest) 2,656 75% 0.4% 56 min
Alaska (incl. SkyWest, Horizon) 2,360 66% 3.1% 58 min
Frontier 206 53% 3.9% 85 min
Southwest 2,001 51% 1.3% 64 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.
UA 444 SFO 08:15 SAN 09:59 81%
UA 2142 SFO 22:42 SAN 00:31 73%
UA 2177 SFO 10:05 SAN 11:51 68%
F9 4306 SFO 22:23 SAN 00:15 51%
All 36 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.
United SFO SAN 1h 41m 75% 0.4% 2,656 Flying now
Alaska SFO SAN 1h 41m 66% 3.1% 2,360 Flying now
Frontier SFO SAN 1h 41m 53% 3.9% 206 Flying now
Southwest SFO SAN 1h 35m 51% 1.3% 2,001 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