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Flight records through . Security counts through .

Which IAH to SHV flight is punctual? United 4278, 9:30 am.

95% on time across 21 flights in the last 3 months, never cancelled.

Find your flightIAH security
DepartsFlightOn time
9:30 amUA 427895%
6:20 pmUA 536695%
2:28 pmUA 576580%
9:40 pmUA 539578%
4:10 pmUA 602675%
8:05 pmUA 536871%
7:50 pmUA 468268%
6:06 pmUA 539656%
8 of 9 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 9 regular flights, 9:30 am to 9:40 pm.

UA 4682 was cancelled most often, 2% of the time.

Flight records,

  1. UA 4278 9:30 am, 0% cancelled 95%
  2. UA 5765 2:28 pm, 0% cancelled 80%
  3. UA 6026 4:10 pm, 0% cancelled 75%
  4. UA 5396 6:06 pm, 0% cancelled 56%
  5. UA 5366 6:20 pm, 0% cancelled 95%
  6. UA 4682 7:50 pm, 2% cancelled 68%
  7. UA 5387 7:50 pm, 0% cancelled 50%
  8. UA 5368 8:05 pm, 0% cancelled 71%
  9. UA 5395 9:40 pm, 0% cancelled 78%

What time should I fly? The 12 pm departures.

84% landed on time; at 7 pm, 65%. Tuesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
10 am78%
12 pm84%
2 pm78%
4 pm73%
6 pm74%
7 pm65%
8 pm79%
9 pm78%

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.