IAH Houston
George Bush Intercontinental(Bush Airport)
Best time through security: 4 AM (about 5 min)
Most reliable airline here: Delta Air Lines (81% on time)
Why delays happen: The most common reason for departure delays here is the incoming plane arriving late.
Get a pre-flight briefing for IAH
Delay risk, TSA wait, and weather — emailed before your flight. Free.
Common questions about IAH
Are there delays at IAH right now?
No active delays at IAH right now. Historically, IAH runs on time 79% of the time.
How long is TSA at IAH?
Estimated wait right now: about 14-20 minutes. Fastest time: 4 AM (about 5 min). Busiest: 6 PM (22-28 minutes).
What usually causes delays at IAH?
The most common reason for departure delays here is the incoming plane arriving late. About 1.5% of flights get cancelled.
How long of a connection do I need?
IAH sees moderate delays — allow at least 90 minutes domestic, 2 hours international.