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Flight records through . Security counts through .

Which SFO to IAH flight is punctual? United 2168, 5 am.

96% on time across 71 flights in the last 3 months, never cancelled.

Find your flightSFO security
DepartsFlightOn time
5:00 amUA 216896%
7:05 amUA 68694%
8:55 amUA 249890%
8:55 amUA 211088%
6:54 pmUA 170283%
12:45 amUA 60479%
2:28 pmUA 200272%
4:40 pmUA 230572%
8 of 12 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 12 regular flights, 12:45 am to 11:59 pm.

None was cancelled in the last 3 months.

Flight records,

  1. UA 604 12:45 am, 0% cancelled 79%
  2. UA 2168 5:00 am, 0% cancelled 96%
  3. UA 686 7:05 am, 0% cancelled 94%
  4. UA 2110 8:55 am, 0% cancelled 88%
  5. UA 2498 8:55 am, 0% cancelled 90%
  6. UA 1259 10:50 am, 0% cancelled 59%
  7. UA 1387 12:15 pm, 0% cancelled 71%
  8. UA 2831 2:25 pm, 0% cancelled 57%
  9. UA 2002 2:28 pm, 0% cancelled 72%
  10. UA 2305 4:40 pm, 0% cancelled 72%
  11. UA 1702 6:54 pm, 0% cancelled 83%
  12. UA 505 11:59 pm, 0% cancelled 72%

What time should I fly? The 5 am departures.

96% landed on time; at 10 am, 63%. Wednesday was the best day, Monday the worst.

Flight records,

DepartsLanded on time
12 am86%
5 am96%
7 am95%
8 am87%
9 am86%
10 am63%
11 am70%
12 pm75%
1 pm81%
2 pm78%
4 pm82%
6 pm85%
7 pm89%
11 pm82%

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.