Airlines canceled more than 2,000 U.S. flights while more than 2,000 more were delayed. A massive winter storm snarled travel across the Southern U.S. A Delta flight aborted takeoff and evacuated passengers via slides at Atlanta's airport,

A ground stop until 2 p.m. was issued for Hartsfield-Jackson Atlanta International Airport by the Federal Aviation Administration and Atlanta-based Delta Air Lines said they’re dealing with worse weather conditions than expected.

Flight 2668 had 201 passengers onboard, who were evacuated from the plane via emergency slides and taken back to the terminal via ground transportation, according to officials.