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Which OKC to GUF flight is punctual? Allegiant 377, 5:10 pm.

68% on time across 19 flights in the last 3 months, 5.3% cancelled.

Find your flightOKC security

  • G4 377

    68%

    on time

    5:10 pm

    5% cancelled

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

When do the flights leave? One regular flight, at 5:10 pm.

G4 377 was cancelled most often, 5% of the time.

Flight records,

  1. G4 377 5:10 pm, 5% cancelled 68%

When is OKC security busiest? 5 to 6 every morning.

Calmest around 5 pm. Oklahoma City security, hour by hour.

Security counts,

4a8a12p4p8p
Mon
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Fri
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MonTueWedThuFriSatSun
4a
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9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
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11p

Friday, 5 am

840

people screened, all terminals.