More than 500 flights were delayed Sunday at Denver International Airport amid a severe thunderstorm watch issued for the city and 13 other Colorado counties.
As of 4:05 p.m. Sunday, 506 flights headed in and out of DIA had been delayed, according to flight tracking data from FlightAware.
Flights at the Denver airport were seeing an average delay of 41 minutes at that time because of thunderstorms in the area, according to the Federal Aviation Administration.
FAA officials said a ground stop at DIA was possible after 2 p.m. Sunday, but one was not active at 4 p.m., according to the agency’s website.
Southwest delayed 207 flights on Sunday and 118 United flights failed to leave the gate on time, according to FlightAware.
Other Sunday afternoon delays included 90SkyWest flights, 24 Frontier flights, 20 American Airlines flights and 11 Delta flights.
A dozen other airlines delayed between one and nine flights.
This is a developing story and may be updated.
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