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Flight records through . Security counts through .

Which STL to CMH flight is punctual? Southwest 3902, 9:55 am.

90% on time across 52 flights in the last 3 months, never cancelled.

Find your flightSTL security

  • WN 3902

    90%

    on time

    9:55 am

    0% cancelled

  • WN 4812

    55%

    on time

    8:35 pm

    0% cancelled

  • WN 3940

    50%

    on time

    6:50 pm

    0% cancelled

3 regular flights, June to August 2026.

When do the flights leave? 3 regular flights, 9:55 am to 8:35 pm.

None was cancelled in the last 3 months.

Flight records,

  1. WN 3902 9:55 am, 0% cancelled 90%
  2. WN 3940 6:50 pm, 0% cancelled 50%
  3. WN 4812 8:35 pm, 0% cancelled 55%

What time should I fly? The 8 am departures.

94% landed on time; at 7 pm, 59%. Friday was the best day, Monday the worst.

Flight records,

DepartsLanded on time
7 am89%
8 am94%
10 am91%
6 pm70%
7 pm59%
8 pm69%

When is STL security busiest? 5 am, then 7 am.

Calmest around 5 pm. St. Louis 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

Friday, 7 am

1,760

people screened, all terminals.