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Flight records through . Security counts through .

Which IAH to MIA flight is punctual? United 1966, 7:25 am.

95% on time across 62 flights in the last 3 months, never cancelled.

Find your flightIAH security
DepartsFlightOn time
7:25 amUA 196695%
7:35 amAA 134788%
5:10 amAA 104788%
11:01 amAA 146583%
5:18 amAA 214482%
7:01 pmUA 182979%
9:40 amAA 60378%
4:50 pmUA 274073%
8 of 13 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? United, ahead of American.

United landed on time 82% of the time, American 78%.

Flight records,

  • United

    82%

    on time

    0.3% cancelled

  • American

    78%

    on time

    1.1% cancelled

When do the flights leave? 13 regular flights, 5:10 am to 8:37 pm.

F9 1068 was cancelled most often, 15% of the time.

Flight records,

  1. UA 1966 7:25 am, 0% cancelled 95%
  2. UA 410 12:00 pm, 1% cancelled 68%
  3. UA 2740 4:50 pm, 0% cancelled 73%
  4. UA 1829 7:01 pm, 0% cancelled 79%
  1. AA 1047 5:10 am, 0% cancelled 88%
  2. AA 2144 5:18 am, 0% cancelled 82%
  3. AA 1347 7:35 am, 1% cancelled 88%
  4. AA 603 9:40 am, 2% cancelled 78%
  5. AA 1465 11:01 am, 0% cancelled 83%
  6. AA 1918 11:20 am, 0% cancelled 56%
  7. AA 1931 6:12 pm, 2% cancelled 36%
  8. AA 678 6:23 pm, 4% cancelled 58%

What time should I fly? The 5 am departures.

90% landed on time; at 8 pm, 58%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
5 am90%
7 am89%
9 am79%
10 am80%
11 am75%
12 pm82%
2 pm74%
3 pm71%
4 pm70%
5 pm61%
6 pm68%
7 pm75%
8 pm58%

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.