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7,260 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 82% depart on time. After 4 pm it’s 56%.

Best time to leave 6–7 am 93% arrive on time from SAN
Best single flight UA 2117 SAN 16:09 → SFO 17:49 · 76% on time Avoid AS 3463 SAN 08:04 → SFO 09:52 · 63% 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
22
SAN
95
77
71
68
63
62
68
63
61
64
70
61
59
45
45
37
78
% 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 70% 0.6% 60 min
Alaska (incl. SkyWest, Horizon) 2,397 62% 2.4% 62 min
Southwest 2,001 56% 1.2% 61 min
Frontier 206 43% 7.3% 78 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 2117 SAN 16:09 SFO 17:49 76%
AS 3352flown by SkyWest SAN 13:30 SFO 15:14 74%
UA 1763 SAN 13:39 SFO 15:19 74%
UA 2309 SAN 11:01 SFO 12:47 68%
AS 3347flown by SkyWest SAN 11:04 SFO 12:51 64%
· · ·
AS 3463flown by SkyWest SAN 08:04 SFO 09:52 63%
All 35 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 SAN SFO 1h 46m 70% 0.6% 2,656 Flying now
Alaska SAN SFO 1h 44m 62% 2.4% 2,397 Flying now
Southwest SAN SFO 1h 40m 56% 1.2% 2,001 Flying now
Frontier SAN SFO 1h 55m 43% 7.3% 206 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