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Flight records through . Security counts through .

Which CMH to IAD flight is punctual? United 3430, 6 am.

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

Find your flightCMH security
DepartsFlightOn time
6:00 amUA 343095%
6:00 amUA 349591%
6:00 amUA 442887%
10:30 amUA 398586%
10:30 amUA 404786%
2:53 pmUA 354181%
3:15 pmUA 133881%
7:40 pmUA 459374%
8 of 12 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 12 regular flights, 6 am to 7:59 pm.

UA 4593 was cancelled most often, 8% of the time.

Flight records,

  1. UA 3430 6:00 am, 0% cancelled 95%
  2. UA 3495 6:00 am, 0% cancelled 91%
  3. UA 4428 6:00 am, 3% cancelled 87%
  4. UA 3985 10:30 am, 0% cancelled 86%
  5. UA 4047 10:30 am, 0% cancelled 86%
  6. UA 4056 10:30 am, 0% cancelled 70%
  7. UA 3541 2:53 pm, 0% cancelled 81%
  8. UA 4387 2:53 pm, 4% cancelled 66%
  9. UA 1338 3:15 pm, 0% cancelled 81%
  10. UA 4380 7:40 pm, 0% cancelled 67%
  11. UA 4593 7:40 pm, 8% cancelled 74%
  12. UA 1273 7:59 pm, 0% cancelled 48%

What time should I fly? The 6 am departures.

93% landed on time; at 2 pm, 72%. Wednesday was the best day, Monday the worst.

Flight records,

DepartsLanded on time
6 am93%
10 am83%
2 pm72%
3 pm73%
7 pm78%
8 pm78%

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

Calmest around 10 am. Columbus CMH 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

Monday, 5 am

1,870

people screened, all terminals.