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Flight records through . Security counts through .

Which IAH to PHL flight is punctual? United 2642, 7:31 am.

92% on time across 47 flights in the last 3 months, never cancelled.

Find your flightIAH security
DepartsFlightOn time
7:31 amUA 264292%
7:30 amUA 135690%
7:31 amUA 263188%
7:15 amAA 319685%
12:24 pmAA 242773%
7:01 amAA 256168%
4:27 pmAA 192562%
6:05 pmUA 166351%
8 of 10 regular flights, ranked by arrivals on time, June to August 2026.

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

United landed on time 81% of the time, American 74%.

Flight records,

  • United

    81%

    on time

    0.9% cancelled

  • American

    74%

    on time

    2.9% cancelled

When do the flights leave? 10 regular flights, 7:01 am to 6:05 pm.

AA 2561 was cancelled most often, 6% of the time.

Flight records,

  1. UA 1356 7:30 am, 0% cancelled 90%
  2. UA 2631 7:31 am, 0% cancelled 88%
  3. UA 2642 7:31 am, 0% cancelled 92%
  4. UA 2748 2:31 pm, 2% cancelled 48%
  5. UA 1663 6:05 pm, 0% cancelled 51%
  1. AA 2561 7:01 am, 6% cancelled 68%
  2. AA 3196 7:15 am, 4% cancelled 85%
  3. AA 1927 12:21 pm, 2% cancelled 46%
  4. AA 2427 12:24 pm, 4% cancelled 73%
  5. AA 1925 4:27 pm, 3% cancelled 62%

What time should I fly? The 8 am departures.

89% landed on time; at 4 pm, 63%. Tuesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
6 am79%
7 am88%
8 am89%
10 am68%
12 pm75%
1 pm79%
2 pm72%
4 pm63%
6 pm72%

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.