Airports AirportPace Search

Flight records through . Security counts through .

Which ORD to MLI flight is punctual? American 3698, 9:30 am.

86% on time across 65 flights in the last 3 months, 1.5% cancelled.

ORD to MLI flights that landed on time most often
DepartsFlightOn time
9:30 amAA 369886%
8:40 amUA 478179%
12:45 pmUA 455678%
8:45 amUA 565678%
11:29 amUA 458475%
7:59 pmUA 418375%
11:30 pmAA 369972%
11:00 pmAA 344871%
8 of 22 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? United and American, neck and neck.

United landed on time 65% of the time, American 65%.

Flight records,

  • United

    65%

    on time

    4.2% cancelled

  • American

    65%

    on time

    5.2% cancelled

When do the flights leave? 22 regular flights, 8:40 am to 11:30 pm.

UA 4505 was cancelled most often, 12% of the time.

Flight records,

  1. UA 4781 8:40 am, 8% cancelled 79%
  2. UA 5696 8:40 am, 0% cancelled 57%
  3. UA 5656 8:45 am, 2% cancelled 78%
  4. UA 4450 11:29 am, 3% cancelled 70%
  5. UA 4584 11:29 am, 5% cancelled 75%
  6. UA 4556 12:45 pm, 2% cancelled 78%
  7. UA 4488 1:55 pm, 4% cancelled 65%
  8. UA 4569 1:55 pm, 0% cancelled 57%
  9. UA 4806 1:55 pm, 5% cancelled 70%
  10. UA 5813 4:41 pm, 8% cancelled 60%
  11. UA 5420 5:45 pm, 8% cancelled 47%
  12. UA 5461 6:15 pm, 5% cancelled 38%
  13. UA 4183 7:59 pm, 4% cancelled 75%
  14. UA 4505 10:00 pm, 12% cancelled 71%
  15. UA 5539 10:00 pm, 11% cancelled 64%
  1. AA 3698 9:30 am, 2% cancelled 86%
  2. AA 3539 10:05 am, 0% cancelled 70%
  3. AA 3559 5:00 pm, 11% cancelled 52%
  4. AA 6476 5:06 pm, 12% cancelled 44%
  5. AA 3448 11:00 pm, 3% cancelled 71%
  6. AA 3775 11:00 pm, 7% cancelled 59%
  7. AA 3699 11:30 pm, 7% cancelled 72%

What time should I fly? The 9 am departures.

78% landed on time; at 5 pm, 55%. Tuesday was the best day, Friday the worst.

Flight records,

Share of ORD to MLI flights landing less than 15 minutes late, by scheduled departure hour
DepartsBarLanded on time
8 am68%
9 am78%
10 am74%
11 am70%
12 pm71%
1 pm63%
2 pm66%
3 pm62%
4 pm59%
5 pm55%
6 pm56%
7 pm66%
8 pm71%
9 pm59%
10 pm60%
11 pm70%

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,

People screened per hour at ORD checkpoints, by weekday and hour; choose a cell to read it
4a8a12p4p8p
Mon
Tue
Wed
Thu
Fri
Sat
Sun
People screened per hour at ORD checkpoints, by weekday and hour; choose a cell to read it
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.