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Flight records through . Security counts through .

Which ORD to COU flight is punctual? American 3480, 8:29 am.

91% on time across 65 flights in the last 3 months, never cancelled.

Find your flightORD security
DepartsFlightOn time
8:29 amAA 348091%
8:40 amUA 439279%
1:15 pmUA 552176%
8:40 amUA 472675%
4:29 pmAA 347974%
8:40 amUA 578371%
10:00 pmUA 533668%
10:45 amAA 339967%
8 of 14 regular flights, ranked by arrivals on time, June to August 2026.

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

American landed on time 72% of the time, United 63%.

Flight records,

  • American

    72%

    on time

    2.7% cancelled

  • United

    63%

    on time

    4.8% cancelled

When do the flights leave? 14 regular flights, 8:29 am to 10 pm.

UA 5336 was cancelled most often, 11% of the time.

Flight records,

  1. AA 3480 8:29 am, 0% cancelled 91%
  2. AA 3399 10:45 am, 0% cancelled 67%
  3. AA 3479 4:29 pm, 5% cancelled 74%
  4. AA 3398 4:35 pm, 0% cancelled 52%
  5. AA 3745 7:29 pm, 5% cancelled 65%
  6. AA 3696 7:49 pm, 7% cancelled 48%
  1. UA 4392 8:40 am, 0% cancelled 79%
  2. UA 4726 8:40 am, 0% cancelled 75%
  3. UA 5783 8:40 am, 0% cancelled 71%
  4. UA 4421 12:50 pm, 5% cancelled 52%
  5. UA 5521 1:15 pm, 1% cancelled 76%
  6. UA 5698 9:20 pm, 10% cancelled 57%
  7. UA 5336 10:00 pm, 11% cancelled 68%
  8. UA 5751 10:00 pm, 8% cancelled 67%

What time should I fly? The 11 am departures.

90% landed on time; at 10 am, 56%. Thursday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
8 am83%
9 am67%
10 am56%
11 am90%
12 pm66%
1 pm70%
2 pm77%
3 pm67%
4 pm69%
5 pm63%
6 pm61%
7 pm59%
8 pm60%
10 pm64%

When is ORD security busiest? 5 to 7 am, then 12 to 4 pm.

Calmest around 10 am. Chicago ORD 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, 6 am

7,840

people screened, all terminals.