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Flight records through . Security counts through .

Which SEA to DCA flight is punctual? Delta 786, 7:20 am.

90% on time across 91 flights in the last 3 months, 3.3% cancelled.

Find your flightSEA security

  • DL 786

    90%

    on time

    7:20 am

    3% cancelled

  • AS 4

    86%

    on time

    8:00 am

    0% cancelled

  • AS 2

    62%

    on time

    1:46 pm

    0% cancelled

3 regular flights, June to August 2026.

Which airline is most reliable? Delta, by a distance.

Delta landed on time 89% of the time, Alaska 76%.

Flight records,

  • Delta

    89%

    on time

    2.7% cancelled

  • Alaska

    76%

    on time

    0.7% cancelled

When do the flights leave? 3 regular flights, 7:20 am to 1:46 pm.

DL 786 was cancelled most often, 3% of the time.

Flight records,

  1. DL 786 7:20 am, 3% cancelled 90%
  1. AS 4 8:00 am, 0% cancelled 86%
  2. AS 2 1:46 pm, 0% cancelled 62%

What time should I fly? The 7 am departures.

89% landed on time; at 1 pm, 69%. Saturday was the best day, Thursday the worst.

Flight records,

DepartsLanded on time
7 am89%
8 am84%
1 pm69%

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.