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Flight records through . Security counts through .

Which SEA to FLL flight is punctual? Delta 338, 1 pm.

83% on time across 92 flights in the last 3 months, 1.1% cancelled.

Find your flightSEA security

  • DL 338

    83%

    on time

    1:00 pm

    1% cancelled

  • AS 516

    82%

    on time

    8:23 am

    0% cancelled

2 regular flights, June to August 2026.

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

Alaska landed on time 81% of the time, Delta 74%.

Flight records,

  • Alaska

    81%

    on time

    0.2% cancelled

  • Delta

    74%

    on time

    1.4% cancelled

When do the flights leave? 2 regular flights, 8:23 am to 1 pm.

DL 338 was cancelled most often, 1% of the time.

Flight records,

  1. AS 516 8:23 am, 0% cancelled 82%
  1. DL 338 1:00 pm, 1% cancelled 83%

What time should I fly? The 7 am departures.

93% landed on time; at 9 pm, 60%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
7 am93%
8 am82%
11 am63%
12 pm86%
1 pm79%
9 pm60%
10 pm81%

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.