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Flight records through . Security counts through .

Which IAH to DEN flight is punctual? United 2787, 10:31 am.

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

Find your flightIAH security
DepartsFlightOn time
10:31 amUA 2787100%
8:30 amUA 281698%
5:15 amUA 187497%
6:30 amUA 264396%
8:30 amUA 190695%
9:33 amUA 58490%
8:24 pmUA 68590%
12:33 pmUA 216887%
8 of 23 regular flights, ranked by arrivals on time, June to August 2026.

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

United landed on time 83% of the time, Frontier 79%.

Flight records,

  • United

    83%

    on time

    0.2% cancelled

  • Frontier

    79%

    on time

    1.2% cancelled

When do the flights leave? 23 regular flights, 5:15 am to 10:10 pm.

F9 3227 was cancelled most often, 5% of the time.

Flight records,

  1. UA 1874 5:15 am, 0% cancelled 97%
  2. UA 2643 6:30 am, 1% cancelled 96%
  3. UA 1575 7:20 am, 1% cancelled 79%
  4. UA 1906 8:30 am, 0% cancelled 95%
  5. UA 2802 8:30 am, 0% cancelled 79%
  6. UA 2816 8:30 am, 0% cancelled 98%
  7. UA 1450 9:32 am, 0% cancelled 83%
  8. UA 584 9:33 am, 0% cancelled 90%
  9. UA 1634 9:36 am, 0% cancelled 67%
  10. UA 1409 10:31 am, 0% cancelled 80%
  11. UA 2787 10:31 am, 0% cancelled 100%
  12. UA 2168 12:33 pm, 0% cancelled 87%
  13. UA 1246 3:00 pm, 0% cancelled 58%
  14. UA 2767 3:00 pm, 0% cancelled 69%
  15. UA 470 4:21 pm, 0% cancelled 56%
  16. UA 484 4:21 pm, 0% cancelled 72%
  17. UA 1654 6:19 pm, 0% cancelled 53%
  18. UA 2339 8:22 pm, 0% cancelled 70%
  19. UA 685 8:24 pm, 0% cancelled 90%
  20. UA 1066 10:10 pm, 0% cancelled 84%
  1. F9 3229 6:30 am, 2% cancelled 86%
  2. F9 3227 6:14 pm, 5% cancelled 61%
  3. F9 3205 10:09 pm, 2% cancelled 67%

What time should I fly? The 5 am departures.

97% landed on time; at 5 pm, 62%. Tuesday was the best day, Monday the worst.

Flight records,

DepartsLanded on time
5 am97%
6 am90%
7 am88%
8 am92%
9 am84%
10 am88%
11 am83%
12 pm89%
2 pm79%
3 pm70%
4 pm70%
5 pm62%
6 pm65%
8 pm79%
9 pm85%
10 pm82%

When is IAH security busiest? 6 am, then 8 am.

Calmest around 9 am. Houston IAH 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

4,540

people screened, all terminals.