Nearly 300 flights canceled, delayed at DIA amid Tuesday snow

At least 413 flights were canceled or delayed Tuesday morning at Denver International Airport as snow fell across Colorado.

National Weather Service meteorologists said 1 1/2 inches of snow stacked up at the Denver International Airport and another 2 to 5 inches is expected by 11 p.m.

As of 11:00 a.m. Tuesday, 399 flights at DIA had been delayed and 14 were canceled, according to data from flight tracking software FlightAware.

Southwest delayed the most flights Tuesday morning at 122 and 115 United flights failed to leave the gate on time. SkyWest, the airline that operates United Express, delayed 104 flights, FlightAware data shows.

Southwest had seven flights canceled, followed by United with three. SkyWest and American Airlines canceled two.

AirCanada, Delta, British Airways, Frontier, Jazz, Key Lime Air and Air France all delayed flights at DIA on Tuesday.

A Traffic Management Program was in effect for planes arriving at DIA, according to the Federal Aviation Administration. This caused some arriving flights to be delayed an average of an hour and six minutes.

This is a developing story and will be updated.