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Flight records through . Security counts through .

Which SEA to TPA flight is punctual? Alaska 639, 9:18 pm.

81% on time across 86 flights in the last 3 months, never cancelled.

Find your flightSEA security
DepartsFlightOn time
9:18 pmAS 63981%
11:45 amDL 35876%
9:22 amAS 32673%
9:21 amAS 26264%
4 of 4 regular flights, ranked by arrivals on time, June to August 2026.

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

Alaska landed on time 80% of the time, Delta 77%.

Flight records,

  • Alaska

    80%

    on time

    0.5% cancelled

  • Delta

    77%

    on time

    0.6% cancelled

When do the flights leave? 4 regular flights, 9:21 am to 9:18 pm.

None was cancelled in the last 3 months.

Flight records,

  1. AS 262 9:21 am, 0% cancelled 64%
  2. AS 326 9:22 am, 0% cancelled 73%
  3. AS 639 9:18 pm, 0% cancelled 81%
  1. DL 358 11:45 am, 0% cancelled 76%

What time should I fly? The 10 am departures.

94% landed on time; at 9 am, 74%. Saturday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
8 am94%
9 am74%
10 am94%
11 am76%
12 pm88%
9 pm80%

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.