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Flight records through . Security counts through .

Which IAH to STL flight is punctual? United 6214, 8 am.

88% on time across 73 flights in the last 3 months, never cancelled.

Find your flightIAH security
DepartsFlightOn time
8:00 amUA 621488%
8:15 pmUA 456581%
8:30 pmUA 618780%
3:31 pmUA 616078%
12:00 pmUA 539774%
6:28 pmUA 620462%
6:28 pmUA 457362%
7 of 7 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 7 regular flights, 8 am to 8:30 pm.

UA 4573 was cancelled most often, 3% of the time.

Flight records,

  1. UA 6214 8:00 am, 0% cancelled 88%
  2. UA 5397 12:00 pm, 0% cancelled 74%
  3. UA 6160 3:31 pm, 0% cancelled 78%
  4. UA 4573 6:28 pm, 3% cancelled 62%
  5. UA 6204 6:28 pm, 0% cancelled 62%
  6. UA 4565 8:15 pm, 0% cancelled 81%
  7. UA 6187 8:30 pm, 1% cancelled 80%

What time should I fly? The 1 pm departures.

90% landed on time; at 6 pm, 69%. Wednesday was the best day, Thursday the worst.

Flight records,

DepartsLanded on time
7 am85%
8 am87%
12 pm82%
1 pm90%
2 pm87%
3 pm80%
4 pm78%
6 pm69%
7 pm80%
8 pm76%

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.