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Flight records through . Security counts through .

Which SFO to ACV flight is punctual? United 5626, 9:22 pm.

71% on time across 62 flights in the last 3 months, 4.8% cancelled.

Find your flightSFO security
DepartsFlightOn time
9:22 pmUA 562671%
4:31 pmUA 548056%
10:35 pmUA 469550%
10:15 amUA 470847%
4 of 4 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 4 regular flights, 10:15 am to 10:35 pm.

UA 5480 was cancelled most often, 5% of the time.

Flight records,

  1. UA 4708 10:15 am, 1% cancelled 47%
  2. UA 5480 4:31 pm, 5% cancelled 56%
  3. UA 5626 9:22 pm, 5% cancelled 71%
  4. UA 4695 10:35 pm, 5% cancelled 50%

What time should I fly? The 9 am departures.

82% landed on time; at 10 pm, 34%. Saturday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
9 am82%
10 am56%
1 pm75%
2 pm82%
4 pm68%
6 pm69%
8 pm76%
9 pm74%
10 pm34%

When is SFO security busiest? 7 am, then 9 am to noon.

Calmest around 4 pm. San Francisco security, hour by hour.

Security counts,

4a8a12p4p8p
Mon
Tue
Wed
Thu
Fri
Sat
Sun
MonTueWedThuFriSatSun
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p

Thursday, 10 am

5,960

people screened, all terminals.