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Flight records through . Security counts through .

Which HOU to COS flight is punctual? Southwest 3115, 12:20 pm.

75% on time across 24 flights in the last 3 months, never cancelled.

Find your flightHOU security

  • WN 3115

    75%

    on time

    12:20 pm

    0% cancelled

  • WN 4385

    52%

    on time

    2:40 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, 12:20 pm to 2:40 pm.

None was cancelled in the last 3 months.

Flight records,

  1. WN 3115 12:20 pm, 0% cancelled 75%
  2. WN 4385 2:40 pm, 0% cancelled 52%

When is HOU security busiest? 6 to 7 am, then 1 pm.

Calmest around 5 pm. Houston HOU 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

Monday, 6 am

1,460

people screened, all terminals.