IAH Today
Bad day, worse than the weekly average. Departures at 18%, arrivals better at 47%. Late morning flights ran 48 points better than evening. Fly 9am - 12pm if you can. That window has been running at 79%.
Pick Your Window
Late Morning vs Evening is a 48-point swing at IAH. The late morning block runs at 79%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
Morning started OK at 65%. Hit 12% around 4am, peaked at 100% around 9am. Currently at 18%, well below the morning numbers. A 88-point swing from best to worst today.
vs Last Week
Down 40 points from last week (32% vs 72%). Arrivals down 31 points too. Mon was the worst day, Sun the best.
The Bigger Picture
IAH has been bouncing between 22% and 90%. Best day was Feb 18 at 90%. Worst was Mar 17 at 22%. The norm is 75-81%, which is just how IAH runs. Today's 18% is well below the norm.
About IAH Delays
George Bush Intercontinental Airport (IAH) is currently experiencing significant delays with 18% on-time departures and 47% on-time arrivals. This data updates every 5 minutes from FAA sources.
George Bush Intercontinental Airport has averaged 32% on-time departures this week, making it frequently delayed. Performance varies by time of day and weather conditions.
George Bush Intercontinental Airport is one of 179 FAA-monitored US airports with real-time delay tracking. Data includes departure and arrival on-time percentages, updated every 5 minutes, with historical trends available for the past 90 days.
Nearby alternatives include HOU (William P. Hobby Airport). When IAH is experiencing delays, these airports may offer better on-time performance.
Early morning departures from George Bush Intercontinental Airport typically have the highest on-time rates. Delays tend to accumulate throughout the day as cascading effects from earlier disruptions compound. Check the 24-hour trend chart above for today's pattern.