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Flight records through . Security counts through .

Which IAH to LBB flight is punctual? United 4261, 9:37 am.

90% on time across 92 flights in the last 3 months, never cancelled.

Find your flightIAH security
DepartsFlightOn time
9:37 amUA 426190%
12:05 pmUA 435488%
4:59 pmUA 430684%
2:22 pmUA 428082%
2:22 pmUA 483060%
5 of 5 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 5 regular flights, 9:37 am to 4:59 pm.

UA 4830 was cancelled most often, 5% of the time.

Flight records,

  1. UA 4261 9:37 am, 0% cancelled 90%
  2. UA 4354 12:05 pm, 1% cancelled 88%
  3. UA 4280 2:22 pm, 0% cancelled 82%
  4. UA 4830 2:22 pm, 5% cancelled 60%
  5. UA 4306 4:59 pm, 1% cancelled 84%

What time should I fly? The 12 pm departures.

89% landed on time; at 2 pm, 78%. Thursday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
9 am83%
12 pm89%
2 pm78%
4 pm85%
7 pm85%
8 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.