George Bush Intercontinental Houston Airport
Houston, United States
Terminals & Checkpoints
IAH Historical Analytics
90-day wait time patterns, hourly breakdowns, and best/worst time predictions for George Bush Intercontinental Houston Airport.
Unlock with PremiumAbout George Bush Intercontinental Houston Airport
George Bush Intercontinental Houston Airport (IAH) serves Houston in United States. As one of the world's busiest airports, IAH handles millions of passengers annually. During peak travel periods, security lines can extend significantly — plan your arrival time carefully.
TSA PreCheck is available at IAH, letting enrolled travelers skip the standard screening line. PreCheck passengers typically wait about 8 minutes compared to the 54-minute standard line.
IAH Airport FAQs
How long is the security line at IAH?
Security wait times at George Bush Intercontinental Houston Airport vary by time of day and day of week. Check the wait time cards above for current estimates. Peak hours (6-9 AM, 4-7 PM) typically have longer waits.
Does IAH have TSA PreCheck?
Yes, George Bush Intercontinental Houston Airport has TSA PreCheck lanes available. PreCheck members typically experience significantly shorter security wait times.
How early should I arrive at IAH?
For domestic flights, arrive at least 2 hours early. For international flights, arrive 3 hours early. During peak travel periods and holidays, add an extra 30-60 minutes.
What terminals does IAH have?
George Bush Intercontinental Houston Airport has 5 terminals: Terminal A, Terminal B, Terminal C, Mickey Leland International Terminal, Terminal E.
Departure Information
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Peak Hours
Tips for IAH
- Arrive at least 90 minutes early for domestic and 150 minutes for international flights.
- Security is typically busiest 6-9 AM and 4-7 PM. Midday flights (11 AM-2 PM) usually have the shortest queues.
- TSA PreCheck is available here. Enrolled travelers typically wait about 6 minutes — roughly half the standard line.
- Check-in online and have your boarding pass ready on your phone to save time at the airport.
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IAH Airport FAQ
How long is the security line at IAH?
Security wait times at George Bush Intercontinental Houston Airport vary by time of day and day of week. Peak hours (6-9 AM, 4-7 PM) typically see the longest waits. FlightQueue provides real-time estimates based on historical data and crowd reports.
What is the best time to go through security at IAH?
The best times for shorter security lines at George Bush Intercontinental Houston are typically mid-morning (10-11 AM) and early afternoon (1-3 PM). Avoid the morning rush (6-9 AM) and evening peak (4-7 PM).
How early should I arrive at IAH?
For domestic flights at George Bush Intercontinental Houston, arrive 1.5-2 hours before departure. For international flights, arrive 2.5-3 hours early. During peak travel periods, add an extra 30 minutes.
Does IAH have TSA PreCheck?
Yes, George Bush Intercontinental Houston Airport offers TSA PreCheck lanes for faster security screening. Check FlightQueue for the latest checkpoint data.