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Flight records through . Security counts through .

Which SEA to SAN flight is punctual? Delta 2508, 7:15 am.

88% on time across 92 flights in the last 3 months, 1.1% cancelled.

Find your flightSEA security
DepartsFlightOn time
7:15 amDL 250888%
6:21 amAS 136188%
12:14 pmDL 257287%
3:15 pmDL 261382%
10:18 amAS 69781%
9:04 pmAS 147273%
7:40 amAS 136773%
7:26 amAS 147170%
8 of 23 regular flights, ranked by arrivals on time, June to August 2026.

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

Delta landed on time 80% of the time, Alaska 72%.

Flight records,

  • Delta

    80%

    on time

    0.9% cancelled

  • Alaska

    72%

    on time

    1.0% cancelled

When do the flights leave? 23 regular flights, 6:21 am to 9:04 pm.

AS 650 was cancelled most often, 4% of the time.

Flight records,

  1. DL 2508 7:15 am, 1% cancelled 88%
  2. DL 2533 9:45 am, 0% cancelled 70%
  3. DL 2572 12:14 pm, 0% cancelled 87%
  4. DL 2613 3:15 pm, 0% cancelled 82%
  5. DL 2672 7:45 pm, 1% cancelled 70%
  1. AS 1361 6:21 am, 2% cancelled 88%
  2. AS 1471 7:26 am, 0% cancelled 70%
  3. AS 1367 7:40 am, 0% cancelled 73%
  4. AS 650 8:48 am, 4% cancelled 68%
  5. AS 467 10:03 am, 1% cancelled 59%
  6. AS 697 10:18 am, 0% cancelled 81%
  7. AS 1346 11:26 am, 3% cancelled 51%
  8. AS 621 11:41 am, 0% cancelled 68%
  9. AS 765 2:18 pm, 0% cancelled 64%
  10. AS 1432 2:23 pm, 0% cancelled 70%
  11. AS 1348 4:45 pm, 0% cancelled 54%
  12. AS 1388 5:53 pm, 0% cancelled 46%
  13. AS 336 7:06 pm, 0% cancelled 36%
  14. AS 1398 8:07 pm, 0% cancelled 63%
  15. AS 1472 9:04 pm, 3% cancelled 73%

What time should I fly? The 7 am departures.

87% landed on time; at 5 pm, 51%. Tuesday was the best day, Thursday the worst.

Flight records,

DepartsLanded on time
6 am85%
7 am87%
9 am73%
10 am77%
11 am71%
12 pm84%
1 pm73%
2 pm73%
3 pm76%
4 pm68%
5 pm51%
6 pm63%
7 pm68%
8 pm75%
9 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.