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Flight records through . Security counts through .

Which IAH to MSY flight is punctual? United 491, 7:30 am.

87% on time across 86 flights in the last 3 months, never cancelled.

Find your flightIAH security
DepartsFlightOn time
7:30 amUA 49187%
8:35 pmUA 216181%
8:30 pmUA 169680%
11:55 amUA 238577%
3:08 pmUA 149375%
4:40 pmUA 617375%
6:32 pmUA 214075%
9:45 amUA 57574%
8 of 13 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 13 regular flights, 7:30 am to 10:15 pm.

None was cancelled in the last 3 months.

Flight records,

  1. UA 491 7:30 am, 0% cancelled 87%
  2. UA 575 9:45 am, 0% cancelled 74%
  3. UA 2385 11:55 am, 0% cancelled 77%
  4. UA 1493 3:08 pm, 0% cancelled 75%
  5. UA 686 3:08 pm, 0% cancelled 50%
  6. UA 6173 4:40 pm, 0% cancelled 75%
  7. UA 1259 6:32 pm, 0% cancelled 71%
  8. UA 2140 6:32 pm, 0% cancelled 75%
  9. UA 1696 8:30 pm, 0% cancelled 80%
  10. UA 2170 8:30 pm, 0% cancelled 67%
  11. UA 2161 8:35 pm, 0% cancelled 81%
  12. UA 5225 9:30 pm, 0% cancelled 62%
  13. UA 2474 10:15 pm, 0% cancelled 70%

What time should I fly? The 8 am departures.

96% landed on time; at 7 pm, 72%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
7 am92%
8 am96%
9 am84%
11 am87%
2 pm85%
3 pm78%
4 pm85%
6 pm77%
7 pm72%
8 pm79%
9 pm79%
10 pm84%

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.