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Flight records through . Security counts through .

Which SFO to DTW flight is punctual? United 234, 9:30 pm.

97% on time across 36 flights in the last 3 months, never cancelled.

Find your flightSFO security
DepartsFlightOn time
9:30 pmUA 23497%
5:40 amDL 77297%
8:35 amUA 164283%
11:35 amDL 36167%
10:55 pmDL 33556%
11:56 pmDL 97641%
2:21 pmDL 192738%
2:23 pmDL 71732%
8 of 8 regular flights, ranked by arrivals on time, June to August 2026.

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

United landed on time 86% of the time, Delta 75%.

Flight records,

  • United

    86%

    on time

    0.0% cancelled

  • Delta

    75%

    on time

    0.8% cancelled

When do the flights leave? 8 regular flights, 5:40 am to 11:56 pm.

DL 976 was cancelled most often, 4% of the time.

Flight records,

  1. UA 1642 8:35 am, 0% cancelled 83%
  2. UA 234 9:30 pm, 0% cancelled 97%
  1. DL 772 5:40 am, 0% cancelled 97%
  2. DL 361 11:35 am, 0% cancelled 67%
  3. DL 1927 2:21 pm, 0% cancelled 38%
  4. DL 717 2:23 pm, 0% cancelled 32%
  5. DL 335 10:55 pm, 0% cancelled 56%
  6. DL 976 11:56 pm, 4% cancelled 41%

What time should I fly? The 5 am departures.

94% landed on time; at 11 pm, 47%. Tuesday was the best day, Thursday the worst.

Flight records,

DepartsLanded on time
5 am94%
8 am86%
10 am83%
11 am76%
12 pm74%
1 pm88%
2 pm56%
4 pm80%
9 pm86%
10 pm75%
11 pm47%

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.