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Flight records through . Security counts through .

Which SFO to BWI flight is punctual? United 2664, 9:33 am.

90% on time across 92 flights in the last 3 months, never cancelled.

Find your flightSFO security
DepartsFlightOn time
9:33 amUA 266490%
10:40 pmUA 134086%
10:30 pmWN 354746%
9:10 pmWN 268339%
4 of 4 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? United, by a distance.

United landed on time 90% of the time, Southwest 62%.

Flight records,

  • United

    90%

    on time

    0.4% cancelled

  • Southwest

    62%

    on time

    0.8% cancelled

When do the flights leave? 4 regular flights, 9:33 am to 10:40 pm.

UA 1340 was cancelled most often, 2% of the time.

Flight records,

  1. UA 2664 9:33 am, 0% cancelled 90%
  2. UA 1340 10:40 pm, 2% cancelled 86%
  1. WN 2683 9:10 pm, 0% cancelled 39%
  2. WN 3547 10:30 pm, 0% cancelled 46%

What time should I fly? The 8 am departures.

96% landed on time; at 9 pm, 70%. Tuesday was the best day, Thursday the worst.

Flight records,

DepartsLanded on time
8 am96%
9 am90%
1 pm78%
9 pm70%
10 pm79%
11 pm96%

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.