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Flight records through . Security counts through .

Which IAH to JAN flight is punctual? United 4347, 9:57 am.

85% on time across 89 flights in the last 3 months, never cancelled.

Find your flightIAH security
DepartsFlightOn time
9:57 amUA 434785%
8:24 pmUA 432082%
12:02 pmUA 489682%
2:45 pmUA 481478%
6:40 pmUA 433475%
5 of 5 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 5 regular flights, 9:57 am to 8:24 pm.

UA 4814 was cancelled most often, 1% of the time.

Flight records,

  1. UA 4347 9:57 am, 0% cancelled 85%
  2. UA 4896 12:02 pm, 0% cancelled 82%
  3. UA 4814 2:45 pm, 1% cancelled 78%
  4. UA 4334 6:40 pm, 0% cancelled 75%
  5. UA 4320 8:24 pm, 0% cancelled 82%

What time should I fly? The 9 am departures.

87% landed on time; at 6 pm, 75%. Tuesday was the best day, Saturday the worst.

Flight records,

DepartsLanded on time
9 am87%
11 am84%
12 pm80%
2 pm80%
6 pm75%
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.