Airports AirportPace Search

Flight records through . Security counts through .

Which ORD to CHA flight is punctual? United 4543, 10:25 am.

87% on time across 47 flights in the last 3 months, never cancelled.

ORD to CHA flights that landed on time most often
DepartsFlightOn time
10:25 amUA 454387%
6:45 amUA 449383%
6:55 amUA 459683%
10:25 amUA 461275%
6:59 amUA 457471%
2:34 pmAA 393667%
9:00 pmAA 372465%
5:50 pmUA 450765%
8 of 14 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 67% of the time, American 66%.

Flight records,

  • United

    67%

    on time

    3.6% cancelled

  • American

    66%

    on time

    4.1% cancelled

When do the flights leave? 14 regular flights, 6:45 am to 9:20 pm.

AA 4511 was cancelled most often, 9% of the time.

Flight records,

  1. UA 4493 6:45 am, 0% cancelled 83%
  2. UA 4596 6:55 am, 2% cancelled 83%
  3. UA 4574 6:59 am, 5% cancelled 71%
  4. UA 4543 10:25 am, 0% cancelled 87%
  5. UA 4612 10:25 am, 0% cancelled 75%
  6. UA 4397 10:30 am, 0% cancelled 57%
  7. UA 4465 2:30 pm, 4% cancelled 61%
  8. UA 4467 2:35 pm, 5% cancelled 57%
  9. UA 4507 5:50 pm, 8% cancelled 65%
  10. UA 4434 9:20 pm, 0% cancelled 57%
  1. AA 3936 2:34 pm, 0% cancelled 67%
  2. AA 3533 8:56 pm, 4% cancelled 48%
  3. AA 4511 8:59 pm, 9% cancelled 47%
  4. AA 3724 9:00 pm, 9% cancelled 65%

What time should I fly? The 6 am departures.

80% landed on time; at 9 pm, 53%. Tuesday was the best day, Sunday the worst.

Flight records,

Share of ORD to CHA flights landing less than 15 minutes late, by scheduled departure hour
DepartsBarLanded on time
6 am80%
7 am71%
8 am73%
10 am74%
1 pm66%
2 pm62%
3 pm68%
5 pm61%
6 pm60%
7 pm72%
8 pm65%
9 pm53%

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.