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Flight records through . Security counts through .

Which IAH to MAF flight is punctual? United 4001, 11:55 am.

100% on time across 20 flights in the last 3 months, never cancelled.

Find your flightIAH security
DepartsFlightOn time
11:55 amUA 4001100%
10:13 pmUA 521195%
7:20 amUA 626392%
9:35 amUA 618688%
2:35 pmUA 632285%
10:04 pmUA 627682%
4:35 pmUA 623382%
11:55 amUA 633874%
8 of 9 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 9 regular flights, 7:20 am to 10:13 pm.

None was cancelled in the last 3 months.

Flight records,

  1. UA 6263 7:20 am, 0% cancelled 92%
  2. UA 6186 9:35 am, 0% cancelled 88%
  3. UA 4001 11:55 am, 0% cancelled 100%
  4. UA 6338 11:55 am, 0% cancelled 74%
  5. UA 6322 2:35 pm, 0% cancelled 85%
  6. UA 6233 4:35 pm, 0% cancelled 82%
  7. UA 2236 8:13 pm, 0% cancelled 72%
  8. UA 6276 10:04 pm, 0% cancelled 82%
  9. UA 5211 10:13 pm, 0% cancelled 95%

What time should I fly? The 7 am departures.

89% landed on time; at 8 pm, 73%. Thursday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
7 am89%
9 am86%
11 am74%
12 pm88%
2 pm85%
4 pm86%
7 pm89%
8 pm73%
9 pm83%
10 pm83%

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.