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Flight records through . Security counts through .

Which IAH to PDX flight is punctual? United 740, 9:30 am.

86% on time across 92 flights in the last 3 months, never cancelled.

Find your flightIAH security
DepartsFlightOn time
9:30 amUA 74086%
4:47 pmUA 196484%
6:19 pmAS 142175%
8:17 pmUA 142072%
4 of 4 regular flights, ranked by arrivals on time, June to August 2026.

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

United landed on time 82% of the time, Alaska 76%.

Flight records,

  • United

    82%

    on time

    0.2% cancelled

  • Alaska

    76%

    on time

    1.1% cancelled

When do the flights leave? 4 regular flights, 9:30 am to 8:17 pm.

AS 1421 was cancelled most often, 1% of the time.

Flight records,

  1. UA 740 9:30 am, 0% cancelled 86%
  2. UA 1964 4:47 pm, 0% cancelled 84%
  3. UA 1420 8:17 pm, 0% cancelled 72%
  1. AS 1421 6:19 pm, 1% cancelled 75%

What time should I fly? The 2 pm departures.

89% landed on time; at 7 pm, 72%. Monday was the best day, Saturday the worst.

Flight records,

DepartsLanded on time
9 am88%
10 am79%
2 pm89%
4 pm83%
5 pm73%
6 pm79%
7 pm72%
8 pm77%

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.