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Flight records through . Security counts through .

Which SFO to BOI flight is punctual? United 5465, 4:30 pm.

90% on time across 21 flights in the last 3 months, never cancelled.

Find your flightSFO security
DepartsFlightOn time
4:30 pmUA 546590%
6:45 pmUA 564481%
7:25 pmAS 337577%
1:54 pmUA 26763%
8:59 pmUA 602751%
10:15 amUA 603550%
12:45 pmUA 236429%
7 of 7 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? United and Alaska, neck and neck.

United landed on time 75% of the time, Alaska 74%.

Flight records,

  • United

    75%

    on time

    0.3% cancelled

  • Alaska

    74%

    on time

    0.3% cancelled

When do the flights leave? 7 regular flights, 10:15 am to 8:59 pm.

None was cancelled in the last 3 months.

Flight records,

  1. UA 6035 10:15 am, 0% cancelled 50%
  2. UA 2364 12:45 pm, 0% cancelled 29%
  3. UA 267 1:54 pm, 0% cancelled 63%
  4. UA 5465 4:30 pm, 0% cancelled 90%
  5. UA 5644 6:45 pm, 0% cancelled 81%
  6. UA 6027 8:59 pm, 0% cancelled 51%
  1. AS 3375 7:25 pm, 0% cancelled 77%

What time should I fly? The 8 am departures.

92% landed on time; at 12 pm, 48%. Saturday was the best day, Monday the worst.

Flight records,

DepartsLanded on time
8 am92%
10 am62%
11 am88%
12 pm48%
1 pm72%
2 pm84%
4 pm75%
5 pm81%
6 pm79%
7 pm75%
8 pm63%
9 pm91%

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.