IAH Delays Right Now
Live flight delay status at George Bush Intercontinental (Houston)
Live FAA status
Source: FAA National Airspace System Status (nasstatus.faa.gov). Updates every ~2 minutes.
Why flights get delayed at IAH
The most common reason for departure delays here is the incoming plane arriving late. 79% of departures are on time. When there is a delay, it's typically around 77 minutes — a long delay. About 1.6% of flights get cancelled.
Planes often wait a while before takeoff. The typical wait from gate to takeoff is about 20 minutes.
Worst airlines for delays at IAH
Ranked by lowest historical on-time rate. Based on airlines with 500+ flights in our dataset.
| Airline | On-time | Avg delay |
|---|---|---|
| Frontier Airlines | 68% | 82 min |
| JetBlue Airways | 70% | 66 min |
| PSA Airlines | 72% | 70 min |
| Southwest Airlines | 72% | 62 min |
| American Airlines | 75% | 103 min |
Most reliable airlines at IAH
| Airline | On-time | Avg delay |
|---|---|---|
| United Airlines | 81% | 70 min |
| Delta Air Lines | 81% | 78 min |
| MQ | 81% | 65 min |
| SkyWest Airlines | 79% | 84 min |
| Alaska Airlines | 78% | 52 min |
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