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Flight records through . Security counts through .

Which IAH to LIT flight is punctual? United 4371, 9:40 am.

94% on time across 68 flights in the last 3 months, never cancelled.

Find your flightIAH security
DepartsFlightOn time
9:40 amUA 437194%
6:05 pmUA 426390%
7:50 pmUA 613186%
6:20 pmUA 615083%
12:00 pmUA 451381%
2:29 pmUA 568181%
11:55 amUA 532181%
2:20 pmUA 534077%
8 of 13 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 13 regular flights, 9:40 am to 8:10 pm.

None was cancelled in the last 3 months.

Flight records,

  1. UA 4371 9:40 am, 0% cancelled 94%
  2. UA 4682 9:40 am, 0% cancelled 54%
  3. UA 5321 11:55 am, 0% cancelled 81%
  4. UA 5439 11:55 am, 0% cancelled 75%
  5. UA 4513 12:00 pm, 0% cancelled 81%
  6. UA 5340 2:20 pm, 0% cancelled 77%
  7. UA 5681 2:29 pm, 0% cancelled 81%
  8. UA 4263 6:05 pm, 0% cancelled 90%
  9. UA 4044 6:20 pm, 0% cancelled 61%
  10. UA 6150 6:20 pm, 0% cancelled 83%
  11. UA 6131 7:50 pm, 0% cancelled 86%
  12. UA 4296 8:10 pm, 0% cancelled 76%
  13. UA 5446 8:10 pm, 0% cancelled 65%

What time should I fly? The 1 pm departures.

89% landed on time; at 7 pm, 77%. Tuesday was the best day, Saturday the worst.

Flight records,

DepartsLanded on time
9 am83%
11 am79%
12 pm80%
1 pm89%
2 pm80%
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.