Here are the stats for the flight and its inbound:

Continental Flight: 53
Departure Date: Aug 22, 2010
Status: Arrived Gate 1 Hour 59 Minutes Late

Departed:
Los Angeles, CA (LAX)
Scheduled: 2:30 PM
Actual: 4:39 PM
Gate: 62
Check-in: Terminal 6

Arrived:
Houston, TX (IAH - Intercontinental)
Scheduled: 7:50 PM
Actual: 9:49 PM
Gate: C-37
Bag Claim/Arrivals: Terminal C

Aircraft: Boeing 757-300 aircraft #869
------------------------------------------------------

Continental Flight: 1605
Departure Date: Aug 22, 2010
Status: Arrived Gate 19 Minutes Late

Departed:
Houston, TX (IAH - Intercontinental)
Scheduled: 11:55 AM
Actual: 12:11 PM
Gate: C-43
Check-in: Terminal C

Arrived:
Los Angeles, CA (LAX)
Scheduled: 1:16 PM
Actual: 1:35 PM
Gate: 62
Bag Claim/Arrivals: Terminal 6

Aircraft: Boeing 757-300 aircraft #869
----------------------------------------

Inbound was 19 minutes late, hardly enough for it to be 2 hours late leaving. I doubt this was weather.