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Flight records through . Security counts through .

Which SEA to CVG flight is punctual? Delta 558, 11:40 am.

89% on time across 92 flights in the last 3 months, 1.1% cancelled.

Find your flightSEA security

  • DL 558

    89%

    on time

    11:40 am

    1% cancelled

  • AS 508

    86%

    on time

    8:39 am

    1% cancelled

  • AS 298

    78%

    on time

    10:05 pm

    0% cancelled

3 regular flights, June to August 2026.

Which airline is most reliable? Delta, ahead of Alaska.

Delta landed on time 88% of the time, Alaska 82%.

Flight records,

  • Delta

    88%

    on time

    1.1% cancelled

  • Alaska

    82%

    on time

    1.2% cancelled

When do the flights leave? 3 regular flights, 8:39 am to 10:05 pm.

AS 508 was cancelled most often, 1% of the time.

Flight records,

  1. DL 558 11:40 am, 1% cancelled 89%
  1. AS 508 8:39 am, 1% cancelled 86%
  2. AS 298 10:05 pm, 0% cancelled 78%

What time should I fly? The 11 am departures.

88% landed on time; at 1 pm, 78%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
8 am87%
10 am81%
11 am88%
12 pm84%
1 pm78%
10 pm79%

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.