What are TSA wait times at IAH?

Current TSA security wait at IAH is About 11-17 minutes right now. The fastest time to go through security is 10 PM (about 3 min). The busiest time is 7 PM (19-25 minutes). Weekends tend to be lighter.

How busy is George Bush Intercontinental right now?

Current TSA security wait at IAH is About 11-17 minutes right now. Check the live conditions, weather, and FAA delay status above for a full picture of how busy IAH is right now.

What is the average delay time at George Bush Intercontinental?

When flights at IAH (George Bush Intercontinental) are delayed, the average delay is about 50 minutes. Overall, 75% of flights arrive on time. About 2.1% of flights are cancelled.

What causes the most delays at George Bush Intercontinental?

The most common reason for delays here is weather. At IAH, 75% of flights are on time, and when delays occur they average 50 minutes.

Is it safe to book a tight connection at George Bush Intercontinental?

IAH sees a moderate number of delays, so we recommend at least 90 minutes for domestic connections and 2 hours for international.

What's the best time to fly from George Bush Intercontinental?

Early morning flights (before 8 AM) tend to have the best on-time performance at most airports, including IAH. For shorter security lines, aim for 10 PM (about 3 min). Midweek flights (Tuesday and Wednesday) also tend to see fewer delays than weekend or Monday departures.

IAHBush Airport

George Bush Intercontinental — Houston

George Bush Intercontinental (IAH) has an on-time arrival rate of about 75%. When flights are delayed, the average wait is around 50 minutes. The most common reason for delays here is weather. Roughly 2.1% of flights are cancelled. The typical taxi-out time from gate to takeoff is about 15 minutes. TSA security wait is currently About 11-17 minutes right now. The fastest time through security is 10 PM (about 3 min). The busiest period is 7 PM (19-25 minutes).

Source: Bureau of Transportation Statistics, FAA NASSTATUS. Updated March 2026.

Last updated: March 2026

Checking conditions so you don't have to...

Flights here are on time most of the time. About 75% arrive within 15 minutes of schedule.

The most common reason for delays here is weather.

Planes usually taxi out in a reasonable time. The typical wait from gate to takeoff is about 15 minutes.

Generally mild weather year-round.

Among major airlines, F9 has the most complaints (23.2/100k) while WN has the fewest (1.5/100k).

How Busy Is IAH Right Now?

Checking live status...

IAH on-time performance by month

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TSA Wait Times at IAH

TSA Security Wait — Our Model

About 11-17 minutes right now

Fastest

10 PM (about 3 min)

Busiest

7 PM (19-25 minutes)

Weekends tend to be lighter.

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Popular routes from IAH

IAH → ORD IAH → SFO IAH → ATL IAH → DEN IAH → MIA IAH → LAX IAH → MCO IAH → AUS IAH → EWR IAH → SEA

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TSA FAQ — IAH

Source: TSA official guidelines and r/tsa community