Flights at Denver International Airport were delayed by an average of 46 minutes Wednesday evening after thunderstorms prompted a ground delay, according to a Federal Aviation Administration alert.
Officials ordered the ground delay around 4 p.m. and set it to expire around 9 p.m. The National Weather Service Boulder said in a 3:35 p.m post that thunderstorms were "numerous" across the area.
More than 400 flights into or out of DIA have already been delayed, according to Flight Aware. One has been canceled as of 5:30 p.m.
05/27/26 3:35PM Update: Showers and thunderstorms are numerous across the area. This activity will continue to move northwest into the late afternoon and evening. The main hazards are dangerous lightning, small hail, and gusty winds. #COwx pic.twitter.com/VOd01kfzB6
— NWS Boulder (@NWSBoulder) May 27, 2026
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