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Flight records through . Security counts through .

Which SEA to DTW flight is punctual? Delta 810, 11:10 pm.

94% on time across 92 flights in the last 3 months, never cancelled.

Find your flightSEA security
DepartsFlightOn time
11:10 pmDL 81094%
9:45 amDL 232491%
5:30 amDL 81288%
10:22 pmAS 34387%
9:18 amAS 31386%
2:30 pmDL 53384%
11:25 amDL 170673%
7 of 7 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? Delta and Alaska, neck and neck.

Delta landed on time 86% of the time, Alaska 85%.

Flight records,

  • Delta

    86%

    on time

    0.9% cancelled

  • Alaska

    85%

    on time

    0.2% cancelled

When do the flights leave? 7 regular flights, 5:30 am to 11:10 pm.

DL 1706 was cancelled most often, 2% of the time.

Flight records,

  1. DL 812 5:30 am, 1% cancelled 88%
  2. DL 2324 9:45 am, 0% cancelled 91%
  3. DL 1706 11:25 am, 2% cancelled 73%
  4. DL 533 2:30 pm, 0% cancelled 84%
  5. DL 810 11:10 pm, 0% cancelled 94%
  1. AS 313 9:18 am, 0% cancelled 86%
  2. AS 343 10:22 pm, 0% cancelled 87%

What time should I fly? The 6 am departures.

93% landed on time; at 12 pm, 74%. Tuesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
5 am87%
6 am93%
8 am86%
9 am85%
11 am78%
12 pm74%
1 pm77%
2 pm82%
3 pm88%
9 pm90%
10 pm82%
11 pm89%

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.