KEY TAKEAWAYS Flights continued to be cancelled in the U.S. on Wednesday, as the historic winter storm that hit Louisiana, Texas and other Gulf Coast states continued spreading for a second day.As many as 69% of departures out of New Orleans Wednesday have been cancelled,

Houston airports suspended operations and flights were largely scrubbed in New Orleans.

Flight cancellations are mounting as a historic winter storm sweeps across the Gulf Coast. Already, the storm has brought air traffic to a virtual standstill at several airports across parts of Texas and Louisiana.