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Showing United only (incl. its regional partners)All airlines ×
2,656 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 72%.

Best time to leave 7–8 am 97% arrive on time from SFO
Best single flight UA 444 SFO 08:15 → SAN 09:59 · 81% on time Avoid UA 2177 SFO 10:05 → SAN 11:51 · 68% 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
SFO
98
97
91
84
78
80
72
80
69
67
64
88
78
84
65
68
% 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 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%

All 10 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 1980 SFO 06:38 SAN 08:22 1h 44m 68 97% 0.0% 39 min
UA 444 SFO 08:15 SAN 09:59 1h 44m 166 81% 0.0% 38 min
UA 2177 SFO 10:05 SAN 11:51 1h 46m 279 68% 0.0% 50 min
UA 1257 SFO 12:21 SAN 14:08 1h 47m 72 67% 0.0% 60 min
UA 1147 SFO 14:20 SAN 16:07 1h 47m 33 45% 0.0% 49 min
UA 2855 SFO 14:20 SAN 16:07 1h 47m 35 51% 0.0% 60 min
UA 1561 SFO 16:47 SAN 18:39 1h 52m 71 59% 0.0% 48 min
UA 1343 SFO 19:00 SAN 20:53 1h 53m 71 65% 0.0% 48 min
UA 1863 SFO 21:00 SAN 22:49 1h 49m 109 79% 0.0% 55 min
UA 2142 SFO 22:42 SAN 00:31 1h 49m 186 73% 0.0% 71 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 SFO SAN 1h 41m 75% 0.4% 2,656 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