Airports AirportPace Search

Flight records through . Security counts through .

Which IAH to COS flight is punctual? United 4079, 9:58 am.

95% on time across 21 flights in the last 3 months, never cancelled.

IAH to COS flights that landed on time most often
DepartsFlightOn time
9:58 amUA 407995%
9:56 amUA 612289%
7:50 pmUA 479886%
7:52 pmUA 612683%
4 of 4 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 4 regular flights, 9:56 am to 7:52 pm.

None was cancelled in the last 3 months.

Flight records,

  1. UA 6122 9:56 am, 0% cancelled 89%
  2. UA 4079 9:58 am, 0% cancelled 95%
  3. UA 4798 7:50 pm, 0% cancelled 86%
  4. UA 6126 7:52 pm, 0% cancelled 83%

What time should I fly? The 9 am departures.

90% landed on time; at 8 pm, 78%. Thursday was the best day, Saturday the worst.

Flight records,

Share of IAH to COS flights landing less than 15 minutes late, by scheduled departure hour
DepartsBarLanded on time
9 am90%
7 pm80%
8 pm78%

When is IAH security busiest? 6 am, then 8 am.

Calmest around 9 am. Houston IAH security, hour by hour.

Security counts,

People screened per hour at IAH checkpoints, by weekday and hour; choose a cell to read it
4a8a12p4p8p
Mon
Tue
Wed
Thu
Fri
Sat
Sun
People screened per hour at IAH checkpoints, by weekday and hour; choose a cell to read it
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.