More than 120 flights are canceled and 130 delayed at Baltimore-Washington International Airport Monday, according to FlightAware.

The airport said Monday morning that passengers should check with their airlines on flight status before heading to BWI because of the snowstorm moving across Maryland.

“Our team will work throughout the storm to keep airfield surfaces clear to enable airline operations,” BWI tweeted.

Much of the Baltimore region is under a winter storm warning until 4 p.m. Monday that has closed most school districts.

The National Weather Service said the winter storm warning is in effect until 4 p.m. Monday with heavy snowfall until midday. Total snow accumulations of 3 to 8 inches are predicted across the state.

“Travel conditions are hazardous across much of northern and central Virginia into the DC metro, central and southern Maryland due to heavy snow, gusty winds and snow covered roadways,” the weather service posted at 10 a.m. Monday. “Snow ends from west to east during the midday through mid-afternoon.”