Houston (IAH) Delays in 2018
84.5% on-time departures, 82.5% on-time arrivals in 2018
173,806Flights
84.5%Departures on-time
11.5 minAvg dep. delay
82.5%Arrivals on-time
12.8 minAvg arr. delay
1%Cancelled
Delay causes
- Air carrier31.4%
- Extreme weather10.9%
- National Aviation System25.2%
- Security0%
- Late-arriving aircraft32.4%
← 2017 · Houston (IAH) overview · 2019 →
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.