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Flight records through . Security counts through .

Which SEA to ORD flight is punctual? American 2379, 11:56 pm.

100% on time across 27 flights in the last 3 months, never cancelled.

Find your flightSEA security
DepartsFlightOn time
11:56 pmAA 2379100%
6:00 amAA 292294%
5:50 amAA 187293%
11:56 pmAA 288191%
11:11 pmUA 74787%
7:00 amUA 261886%
7:20 amDL 205582%
6:00 amAS 57881%
8 of 27 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? United, ahead of American.

United landed on time 80% of the time, American 74%.

Flight records,

  • United

    80%

    on time

    0.8% cancelled

  • American

    74%

    on time

    1.6% cancelled

  • Delta

    73%

    on time

    1.3% cancelled

When do the flights leave? 27 regular flights, 12:17 am to 11:56 pm.

AA 2524 was cancelled most often, 5% of the time.

Flight records,

  1. UA 2618 7:00 am, 1% cancelled 86%
  2. UA 2835 10:52 am, 1% cancelled 72%
  3. UA 768 1:51 pm, 0% cancelled 42%
  4. UA 2101 1:55 pm, 0% cancelled 57%
  5. UA 1265 5:13 pm, 0% cancelled 67%
  6. UA 1503 5:15 pm, 1% cancelled 76%
  7. UA 747 11:11 pm, 0% cancelled 87%
  1. AA 1872 5:50 am, 0% cancelled 93%
  2. AA 2922 6:00 am, 0% cancelled 94%
  3. AA 3234 10:19 am, 0% cancelled 52%
  4. AA 2523 10:22 am, 0% cancelled 78%
  5. AA 2966 1:24 pm, 4% cancelled 63%
  6. AA 2520 2:09 pm, 2% cancelled 42%
  7. AA 2524 3:28 pm, 5% cancelled 51%
  8. AA 1476 3:35 pm, 0% cancelled 67%
  9. AA 2379 11:56 pm, 0% cancelled 100%
  10. AA 2881 11:56 pm, 3% cancelled 91%
  1. DL 2055 7:20 am, 1% cancelled 82%
  2. DL 637 10:35 am, 2% cancelled 70%
  3. DL 2108 5:40 pm, 1% cancelled 64%
  1. AS 328 12:17 am, 1% cancelled 76%
  2. AS 578 6:00 am, 0% cancelled 81%
  3. AS 265 8:34 am, 1% cancelled 64%
  4. AS 429 10:29 am, 2% cancelled 52%
  5. AS 346 11:29 am, 4% cancelled 22%
  6. AS 410 1:10 pm, 2% cancelled 50%
  7. AS 538 5:48 pm, 0% cancelled 74%

What time should I fly? The 10 pm departures.

90% landed on time; at 1 pm, 58%. Tuesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
12 am80%
6 am88%
7 am85%
8 am74%
10 am71%
11 am60%
12 pm70%
1 pm58%
2 pm67%
3 pm68%
4 pm85%
5 pm76%
6 pm74%
10 pm90%
11 pm85%

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.