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Flight records through . Security counts through .

Which SFO to KOA flight is punctual? Alaska 693, 7 am.

94% on time across 83 flights in the last 3 months, never cancelled.

Find your flightSFO security
DepartsFlightOn time
7:00 amAS 69394%
7:08 pmUA 73190%
8:10 amUA 172184%
10:10 amUA 69483%
4:55 pmUA 172378%
5 of 5 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? Alaska, ahead of United.

Alaska landed on time 91% of the time, United 85%.

Flight records,

  • Alaska

    91%

    on time

    0.0% cancelled

  • United

    85%

    on time

    0.5% cancelled

When do the flights leave? 5 regular flights, 7 am to 7:08 pm.

UA 694 was cancelled most often, 1% of the time.

Flight records,

  1. AS 693 7:00 am, 0% cancelled 94%
  1. UA 1721 8:10 am, 0% cancelled 84%
  2. UA 694 10:10 am, 1% cancelled 83%
  3. UA 1723 4:55 pm, 1% cancelled 78%
  4. UA 731 7:08 pm, 0% cancelled 90%

What time should I fly? The 7 am departures.

91% landed on time; at 4 pm, 79%. Tuesday was the best day, Wednesday the worst.

Flight records,

DepartsLanded on time
7 am91%
8 am88%
9 am86%
10 am87%
11 am84%
4 pm79%
7 pm90%

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.