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Flight records through . Security counts through .

Which CMH to SFO flight is punctual? United 1597, 7 am.

79% on time across 92 flights in the last 3 months, 1.1% cancelled.

  • UA 1597

    79%

    on time

    7:00 am

    1% cancelled

  • UA 2861

    7%

    on time

    7:31 pm

    0% cancelled

2 regular flights, June to August 2026. Few flights on this route, so these shares move a lot from month to month.

When do the flights leave? 2 regular flights, 7 am to 7:31 pm.

UA 1597 was cancelled most often, 1% of the time.

Flight records,

  1. UA 1597 7:00 am, 1% cancelled 79%
  2. UA 2861 7:31 pm, 0% cancelled 7%

What time should I fly? The 7 am departures.

73% landed on time; at 7 pm, 6%. Saturday was the best day, Friday the worst.

Flight records,

Share of CMH to SFO flights landing less than 15 minutes late, by scheduled departure hour
DepartsBarLanded on time
7 am73%
5 pm71%
7 pm6%

When is CMH security busiest? 5 am, every morning.

Calmest around 10 am. Columbus CMH security, hour by hour.

Security counts,

People screened per hour at CMH checkpoints, by weekday and hour; choose a cell to read it
4a8a12p4p8p
Mon
Tue
Wed
Thu
Fri
Sat
Sun
People screened per hour at CMH checkpoints, by weekday and hour; choose a cell to read it
MonTueWedThuFriSatSun
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p

Monday, 5 am

1,870

people screened, all terminals.