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Flight records through . Security counts through .

Which BUF to ORD flight is punctual? United 4690, 10:50 am.

96% on time across 24 flights in the last 3 months, never cancelled.

Find your flightBUF security
DepartsFlightOn time
10:50 amUA 469096%
10:07 amAA 441395%
7:00 amUA 54388%
7:00 amUA 582087%
10:57 amUA 70587%
8:08 amAA 211283%
10:30 amAA 448082%
5:11 amAA 441181%
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 74% of the time, United 68%.

Flight records,

  • American

    74%

    on time

    3.2% cancelled

  • United

    68%

    on time

    2.9% cancelled

When do the flights leave? 14 regular flights, 5:11 am to 6:04 pm.

AA 4913 was cancelled most often, 11% of the time.

Flight records,

  1. AA 4411 5:11 am, 0% cancelled 81%
  2. AA 1195 6:00 am, 10% cancelled 65%
  3. AA 2112 8:08 am, 2% cancelled 83%
  4. AA 4413 10:07 am, 0% cancelled 95%
  5. AA 4480 10:30 am, 0% cancelled 82%
  6. AA 4913 4:45 pm, 11% cancelled 50%
  1. UA 543 7:00 am, 2% cancelled 88%
  2. UA 5820 7:00 am, 3% cancelled 87%
  3. UA 323 10:30 am, 0% cancelled 76%
  4. UA 4690 10:50 am, 0% cancelled 96%
  5. UA 705 10:57 am, 0% cancelled 87%
  6. UA 4533 1:51 pm, 0% cancelled 38%
  7. UA 4381 1:54 pm, 4% cancelled 74%
  8. UA 2747 6:04 pm, 1% cancelled 54%

What time should I fly? The 10 am departures.

86% landed on time; at 5 pm, 48%. Thursday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
6 am79%
7 am83%
8 am78%
10 am86%
11 am85%
12 pm71%
1 pm64%
2 pm64%
3 pm67%
4 pm58%
5 pm48%
6 pm59%

When is BUF security busiest? 5 am, every morning.

Calmest around 12 pm. Buffalo 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, 5 am

1,130

people screened, all terminals.