All flights in and out of Denver International Airport were grounded Monday afternoon as a large hail storm hit Denver, according to the Federal Aviation Administration.
The FAA issued the ground stop at DIA just after 1 p.m. Monday, . The agency downgraded the stop to a delay at 3:08 p.m., and it was expected to be in place until 8:59 p.m.
The National Weather Service issued a for the Denver area and the Eastern Plains shortly before the ground delay took effect, which will be active until 8 p.m., and a will be in effect for the airport until 3 p.m. Monday.
Colorado weather: Severe thunderstorm warning issued for Denver, Aurora
As of 5:13 p.m., 836 flights had been delayed and six had been canceled, . Roughly half of the delayed flights were trying to depart DIA, and half were scheduled to arrive at the Denver airport.
Delays included 280 United flights, 232 Southwest flights, 191 SkyWest flights, 56 Frontier flights, 21 Delta flights and 16 American Airlines flights, according to FlightAware.
SkyWest canceled three flights, United canceled two and Alaska canceled one, according to FlightAware.
This is a developing story and will be updated.
