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Flight records through . Security counts through .

Which IAH to HSV flight is punctual? United 4531, 10:05 am.

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

Find your flightIAH security
DepartsFlightOn time
10:05 amUA 4531100%
6:35 pmUA 428481%
10:05 amUA 431578%
7:50 pmUA 429277%
1:22 pmUA 487977%
3:05 pmUA 494666%
6:35 pmUA 426962%
7 of 7 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 7 regular flights, 10:05 am to 7:50 pm.

UA 4269 was cancelled most often, 4% of the time.

Flight records,

  1. UA 4315 10:05 am, 0% cancelled 78%
  2. UA 4531 10:05 am, 0% cancelled 100%
  3. UA 4879 1:22 pm, 1% cancelled 77%
  4. UA 4946 3:05 pm, 0% cancelled 66%
  5. UA 4269 6:35 pm, 4% cancelled 62%
  6. UA 4284 6:35 pm, 0% cancelled 81%
  7. UA 4292 7:50 pm, 2% cancelled 77%

What time should I fly? The 9 am departures.

93% landed on time; at 3 pm, 66%. Thursday was the best day, Monday the worst.

Flight records,

DepartsLanded on time
9 am93%
10 am86%
11 am86%
12 pm80%
1 pm75%
2 pm82%
3 pm66%
6 pm79%
7 pm77%
8 pm80%

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.