Airports AirportPace Search

Flight records through . Security counts through .

Which IAH to AMA flight is punctual? United 4821, 9:30 am.

89% on time across 72 flights in the last 3 months, never cancelled.

Find your flightIAH security

  • UA 4821

    89%

    on time

    9:30 am

    0% cancelled

  • UA 4839

    79%

    on time

    8:34 pm

    0% cancelled

  • UA 4817

    79%

    on time

    12:25 pm

    0% cancelled

3 regular flights, June to August 2026.

When do the flights leave? 3 regular flights, 9:30 am to 8:34 pm.

None was cancelled in the last 3 months.

Flight records,

  1. UA 4821 9:30 am, 0% cancelled 89%
  2. UA 4817 12:25 pm, 0% cancelled 79%
  3. UA 4839 8:34 pm, 0% cancelled 79%

What time should I fly? The 10 am departures.

91% landed on time; at 6 pm, 82%. Tuesday was the best day, Friday the worst.

Flight records,

DepartsLanded on time
9 am88%
10 am91%
12 pm85%
6 pm82%
8 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.