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Flight records through . Security counts through .

Which SEA to SIT flight is punctual? Alaska 633, 11:35 am.

74% on time across 82 flights in the last 3 months, never cancelled.

Find your flightSEA security

  • AS 633

    74%

    on time

    11:35 am

    0% cancelled

  • AS 91

    63%

    on time

    9:18 pm

    1% 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, 11:35 am to 9:18 pm.

AS 91 was cancelled most often, 1% of the time.

Flight records,

  1. AS 633 11:35 am, 0% cancelled 74%
  2. AS 91 9:18 pm, 1% cancelled 63%

When is SEA security busiest? 6 to 10 every morning.

Calmest around 5 pm. Seattle 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

4,660

people screened, all terminals.