Houston (IAH) Delays in 2024
75.5% on-time departures, 79.3% on-time arrivals in 2024
115,940Flights
75.5%Departures on-time
20.5 minAvg dep. delay
79.3%Arrivals on-time
17.1 minAvg arr. delay
2%Cancelled
Delay causes
- Air carrier32.8%
- Extreme weather8.2%
- National Aviation System18%
- Security0.1%
- Late-arriving aircraft40.9%
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On-time = arrival within 15 minutes of schedule, per U.S. DOT definitions. Source: Bureau of Transportation Statistics (public domain). Delay-cause attribution is reported by carriers since June 2003.