IAH delays today: George Bush Intercontinental has an on-time departure rate of about 80%. The FAA airport status for IAH typically shows an average delay of 75 minutes when departures are delayed. The most common reason for departure delays here is the airline (crew, maintenance, or boarding). Roughly 1.7% of flights are cancelled. The typical taxi-out time from gate to takeoff is about 18 minutes. The current TSA wait is about 13-19 minutes. The fastest time through security is 4 AM (about 5 min). The busiest period is 6 PM (22-28 minutes).
Source: BTS, FAA. Updated April 2026.IAH Houston Delays & Airport Status
George Bush Intercontinental(Bush Airport)
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Delay Stats
Full breakdown →80% on timeAvg delay 75 min
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Security Lines
Full details →~16 minBest: 4 AM (about 5 min)
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Departures here are on time most of the time. About 80% of flights leave within 15 minutes of schedule.
The most common reason for departure delays here is the airline (crew, maintenance, or boarding).
Planes usually taxi out in a reasonable time. The typical wait from gate to takeoff is about 18 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).
Accurate?
IAH departure performance by month
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Airlines at IAH
On-time departure rate from DOT data
Delta Air Lines81%
United Airlines80%
SkyWest Airlines79%
Southwest Airlines77%
Spirit Airlines77%
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