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Flight records through . Security counts through .

Which ORD to ATL flight is punctual? United 2249, 7 am.

95% on time across 21 flights in the last 3 months, never cancelled.

Find your flightORD security
DepartsFlightOn time
7:00 amUA 224995%
5:30 amDL 126492%
6:35 amDL 124789%
7:12 amUA 42587%
9:48 amDL 117886%
10:29 amUA 268482%
8:05 amDL 242681%
11:23 amDL 114779%
8 of 29 regular flights, ranked by arrivals on time, June to August 2026.

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

Delta landed on time 78% of the time, United 74%.

Flight records,

  • Delta

    78%

    on time

    2.4% cancelled

  • United

    74%

    on time

    1.4% cancelled

  • Frontier

    65%

    on time

    3.5% cancelled

When do the flights leave? 29 regular flights, 5:30 am to 8:14 pm.

AA 2910 was cancelled most often, 11% of the time.

Flight records,

  1. DL 1264 5:30 am, 1% cancelled 92%
  2. DL 1247 6:35 am, 2% cancelled 89%
  3. DL 2426 8:05 am, 3% cancelled 81%
  4. DL 1178 9:48 am, 1% cancelled 86%
  5. DL 1147 11:23 am, 2% cancelled 79%
  6. DL 2894 1:50 pm, 0% cancelled 67%
  7. DL 1477 3:22 pm, 0% cancelled 62%
  8. DL 2740 6:22 pm, 10% cancelled 63%
  1. UA 2249 7:00 am, 0% cancelled 95%
  2. UA 2811 7:12 am, 4% cancelled 75%
  3. UA 425 7:12 am, 0% cancelled 87%
  4. UA 530 9:07 am, 4% cancelled 78%
  5. UA 2684 10:29 am, 0% cancelled 82%
  6. UA 356 1:55 pm, 1% cancelled 67%
  7. UA 1398 6:20 pm, 2% cancelled 50%
  8. UA 2770 8:09 pm, 3% cancelled 57%
  9. UA 2747 8:14 pm, 5% cancelled 67%
  1. F9 1596 7:05 am, 2% cancelled 71%
  2. F9 1442 1:50 pm, 4% cancelled 49%
  3. F9 2198 1:50 pm, 3% cancelled 64%
  1. AA 639 8:25 am, 0% cancelled 52%
  2. AA 1363 8:30 am, 2% cancelled 72%
  3. AA 2910 11:29 am, 11% cancelled 48%
  4. AA 4759 11:45 am, 3% cancelled 60%
  5. AA 3236 1:44 pm, 0% cancelled 39%
  6. AA 1375 3:59 pm, 2% cancelled 45%
  7. AA 2845 4:14 pm, 4% cancelled 33%
  8. AA 2779 6:59 pm, 6% cancelled 42%
  9. AA 3113 7:05 pm, 0% cancelled 30%

What time should I fly? The 6 am departures.

85% landed on time; at 7 pm, 55%. Tuesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
5 am83%
6 am85%
7 am83%
8 am78%
9 am82%
10 am80%
11 am74%
12 pm69%
1 pm68%
2 pm71%
3 pm62%
4 pm61%
5 pm66%
6 pm58%
7 pm55%
8 pm60%

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.