Full list and map of affected U.S. airports
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Follow live updates as flight reductions begin today at 40 high-traffic airports in what officials have described as a "proactive" effort to alleviate pressure points.
Flight cancellations began Friday at Houston’s Bush and Hobby airports as the Federal Aviation Administration ordered airlines to reduce flights nationwide.
The FAA is expected to release an official list of dozens of airports that will be impacted by the directive to reduce flights for safety reasons. Still, on Thursday morning, news outlets began reporting which airports would be affected,
A ground stop at William P. Hobby Airport was expected to last until 6 p.m., while a ground delay at George Bush Intercontinental Airport was expected to last until 9:30 p.m., according to the FAA.