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Flight records through . Security counts through .

Which IAH to GPT flight is punctual? United 4337, 8:14 pm.

88% on time across 32 flights in the last 3 months, never cancelled.

Find your flightIAH security
DepartsFlightOn time
8:14 pmUA 433788%
6:20 pmUA 500483%
11:55 amUA 427283%
2:40 pmUA 427380%
4 of 4 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 4 regular flights, 11:55 am to 8:14 pm.

UA 4273 was cancelled most often, 1% of the time.

Flight records,

  1. UA 4272 11:55 am, 0% cancelled 83%
  2. UA 4273 2:40 pm, 1% cancelled 80%
  3. UA 5004 6:20 pm, 0% cancelled 83%
  4. UA 4337 8:14 pm, 0% cancelled 88%

What time should I fly? The 2 pm departures.

87% landed on time; at 8 pm, 75%. Tuesday was the best day, Saturday the worst.

Flight records,

DepartsLanded on time
9 am84%
11 am84%
12 pm83%
2 pm87%
6 pm85%
8 pm75%

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.