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Flight records through . Security counts through .

Which IAH to XNA flight is punctual? United 4394, 2:32 pm.

90% on time across 20 flights in the last 3 months, never cancelled.

Find your flightIAH security
DepartsFlightOn time
2:32 pmUA 439490%
9:35 amUA 429786%
2:32 pmUA 406286%
8:12 pmUA 630878%
9:30 amUA 454870%
6:16 pmUA 559762%
9:35 amUA 427962%
7 of 7 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 7 regular flights, 9:30 am to 8:12 pm.

None was cancelled in the last 3 months.

Flight records,

  1. UA 4548 9:30 am, 0% cancelled 70%
  2. UA 4279 9:35 am, 0% cancelled 62%
  3. UA 4297 9:35 am, 0% cancelled 86%
  4. UA 4062 2:32 pm, 0% cancelled 86%
  5. UA 4394 2:32 pm, 0% cancelled 90%
  6. UA 5597 6:16 pm, 0% cancelled 62%
  7. UA 6308 8:12 pm, 0% cancelled 78%

What time should I fly? The 2 pm departures.

85% landed on time; at 6 pm, 72%. Tuesday was the best day, Friday the worst.

Flight records,

DepartsLanded on time
9 am80%
2 pm85%
4 pm80%
6 pm72%
8 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.