How rain helps some Californians 3:34
(CNN) --
Hundreds of flights are canceled Wednesday at Denver International Airport (DIA) as a winter storm hit the Rocky Mountain region, according to FlightAware data.
According to the flight tracking site, more than 260 flights to or from DIA were canceled as of 12:40 p.m. ET, with more than 150 flights delayed.
More than 170 of the cancellations were Southwest flights, FlightAware says.
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More than 180 flights to or from the Denver airport were also canceled Tuesday.
In a statement to CNN, a DIA spokesperson said that despite the cancellations, airport operations are running smoothly.
“Many airlines decide to preemptively cancel flights within a 24-hour period to maintain regular operations,” the spokesperson said.
Still, the airport advises passengers to check with specific airlines for the most up-to-date information on their flights.
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According to a snowfall update from the Boulder National Weather Service, the Denver airport received 4.8 inches (12 centimeters) of snow Tuesday and the city saw 0.43 inches (10 millimeters) of precipitation.
And as of 11 a.m. Mountain Standard Time (MST), 8.6 inches (21.8 centimeters) of snow was reported at Denver International Airport, according to the National Weather Service office in Boulder.
This is the highest January snowfall total for Denver since 1992, when 14.8 inches (37.5 centimeters) of snow was recorded.
Denver remains under a winter storm warning until 5 pm MST, where snow is forecast to continue to fall through the end of this afternoon.
For context, the NWS says the average rainfall for all of January in Denver is 9 millimeters (0.38 inches).
Snow was still falling in the area Wednesday morning, according to the Boulder National Weather Service.
