DENVER — The Federal Aviation Administration issued another ground stop Tuesday morning due to fog across the Denver metro area, delaying hundreds of Denver International Airport flights. Expected delays for departures and arrivals were an hour on average, as of 10:40 a.m., according to the FAA.
FAA has issued a ground stop for @DENAirport. Departures to Denver International Airport are grounded due to fog. Somewhere out there is a runway. #cowx pic.twitter.com/zVVkIV7Y33
— April Schildmeyer (@Aschildmeyer) May 27, 2025
Departures to DIA were first grounded at 5 a.m. Tuesday. The ground stop was initially ordered through 6 a.m., but was extended to 7 a.m. before changing to a ground delay around 6:45 a.m.
The FAA said there was a 30-60% chance of an extension as a Dense Fog Advisory was put in effect until 9 a.m. Tuesday. The National Weather Service said the dense fog is creating visibility of a quarter mile or less.
Today's Forecast
Strong storms over the plains tonight; more move in mid-week
The ground stop caused 32 delays and 22 cancellations in and out of DIA, as of 5:19 a.m., according to Flightaware. The delays jumped to 351 by 10:40 a.m., and cancellations rose to 45.
The Tuesday morning flight delays and cancellations came amid RTD issues with service to the airport. Shuttle buses replace the A Line between 61st Ave. and Peña station and DIA, until further notice, RTD said.
RTD Alert to the airport:
— Jayson Luber (@Denver7Traffic) May 27, 2025
Shuttle buses replacing A Line until further notice between 61st and Pena Station and Denver International Airport.
The trains will run btwn Union Station and 61st Ave. pic.twitter.com/BBex6oZ6Ed
However, the trains will run between Union Station and 61st Ave., Denver7 Traffic Expert Jayson Luber reported.
There were ground stops for for DIA on Sunday and Monday nights as well due to thunderstorms, causing more than 1,000 delays.
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