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Flight records through . Security counts through .

Which SFO to SNA flight is punctual? Alaska 3440, 7:05 am.

96% on time across 28 flights in the last 3 months, never cancelled.

Find your flightSFO security
DepartsFlightOn time
7:05 amAS 344096%
7:15 amUA 540595%
6:35 amAS 324492%
7:15 amUA 523684%
7:10 pmUA 58982%
10:23 amUA 64379%
1:39 pmUA 544074%
12:00 pmUA 57172%
8 of 18 regular flights, ranked by arrivals on time, June to August 2026.

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

United landed on time 81% of the time, Alaska 73%.

Flight records,

  • United

    81%

    on time

    0.5% cancelled

  • Alaska

    73%

    on time

    2.2% cancelled

When do the flights leave? 18 regular flights, 6:35 am to 8:52 pm.

AS 3464 was cancelled most often, 8% of the time.

Flight records,

  1. UA 5236 7:15 am, 0% cancelled 84%
  2. UA 5405 7:15 am, 0% cancelled 95%
  3. UA 643 10:23 am, 0% cancelled 79%
  4. UA 571 12:00 pm, 0% cancelled 72%
  5. UA 2441 12:12 pm, 0% cancelled 57%
  6. UA 5440 1:39 pm, 0% cancelled 74%
  7. UA 5650 4:55 pm, 0% cancelled 52%
  8. UA 589 7:10 pm, 0% cancelled 82%
  1. AS 3244 6:35 am, 3% cancelled 92%
  2. AS 3440 7:05 am, 0% cancelled 96%
  3. AS 3450 9:28 am, 2% cancelled 50%
  4. AS 560 10:37 am, 3% cancelled 32%
  5. AS 3237 12:30 pm, 0% cancelled 13%
  6. AS 3216 1:40 pm, 0% cancelled 33%
  7. AS 3494 3:48 pm, 2% cancelled 71%
  8. AS 3492 6:08 pm, 3% cancelled 49%
  9. AS 3464 8:52 pm, 8% cancelled 70%

What time should I fly? The 6 am departures.

94% landed on time; at 6 pm, 63%. Saturday was the best day, Friday the worst.

Flight records,

DepartsLanded on time
6 am94%
7 am91%
8 am80%
9 am77%
10 am73%
11 am74%
12 pm68%
1 pm74%
2 pm64%
3 pm79%
4 pm69%
5 pm73%
6 pm63%
7 pm87%
8 pm72%

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.