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Flight records through . Security counts through .

Which ORD to BUF flight is punctual? United 265, 6:49 am.

100% on time across 21 flights in the last 3 months, never cancelled.

Find your flightORD security
DepartsFlightOn time
6:49 amUA 265100%
6:46 amAA 441395%
7:27 amUA 569092%
7:15 amUA 275383%
6:50 amAA 448082%
1:55 pmUA 222679%
10:25 amUA 438277%
1:25 pmAA 491358%
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 69% of the time, American 67%.

Flight records,

  • United

    69%

    on time

    2.7% cancelled

  • American

    67%

    on time

    3.5% cancelled

When do the flights leave? 14 regular flights, 6:46 am to 9:19 pm.

AA 403 was cancelled most often, 12% of the time.

Flight records,

  1. UA 265 6:49 am, 0% cancelled 100%
  2. UA 2753 7:15 am, 0% cancelled 83%
  3. UA 5690 7:27 am, 0% cancelled 92%
  4. UA 4382 10:25 am, 0% cancelled 77%
  5. UA 4534 10:25 am, 0% cancelled 52%
  6. UA 2226 1:55 pm, 0% cancelled 79%
  7. UA 1335 6:17 pm, 2% cancelled 57%
  8. UA 5763 6:17 pm, 5% cancelled 50%
  1. AA 4413 6:46 am, 0% cancelled 95%
  2. AA 4480 6:50 am, 0% cancelled 82%
  3. AA 4913 1:25 pm, 8% cancelled 58%
  4. AA 564 7:59 pm, 2% cancelled 50%
  5. AA 4474 9:10 pm, 7% cancelled 44%
  6. AA 403 9:19 pm, 12% cancelled 31%

What time should I fly? The 6 am departures.

92% landed on time; at 9 pm, 40%. Saturday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
6 am92%
7 am83%
8 am83%
9 am76%
10 am65%
11 am74%
1 pm70%
2 pm69%
5 pm62%
6 pm60%
7 pm61%
8 pm51%
9 pm40%

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.