Nearly half of all flights in and out of DFW International Airport and Dallas Love Field are canceled with snow and sleet falling throughout the region and more expected through Thursday. The FAA issued a ground stop for all flights departing for DFW Airport from other airports,

In total, more than 1,600 flights have been canceled at DFW Airport and Love Field, according to Flight Aware. If your plane is still scheduled, airlines ask passengers to arrive early and to be flexible if planes are rerouted or rescheduled.

And even with delays likely expected, Ellzey said it would take extreme weather to shut down a major U.S. airport like DFW: A blizzard with high winds, a major power outage or "zero-zero" visibility conditions, meaning fog is too heavy for pilots to see above or in front of their aircraft.

According to FlightAware, there are 13,031 flights delayed and 1,650 total cancellations as of Thursday morning.

Another round of winter weather could fuel flight disruptions across the south and southeast, and it's already leading to mass cancellations in Texas.

Dallas Fort Worth International Airport issued a winter travel advisory from Wednesday evening through Friday afternoon.

Dallas-Fort Worth International Airport and Dallas Love Field Airport are seeing hundreds of flights canceled on Thursday. Dan Godwin is at the big airport with the latest.

DFW Airport and Dallas Love Field lead the nation in flight cancelations, according to flight tracking website Flight Aware. The numbers below are as of 1:40 p.m. Dallas Love Field Spokesperson Patrick Clarke says the airport feels prepared for the incoming winter weather.

About 40% of Thursday flights from DFW are canceled, according to FlightAware. Those numbers will certainly rise as the ice, sleet and snow move in overnight Wednesday and early Thursday.