Southwest Airlines is the King of cancellations today.
More than 36-hundred flights within, into or out of the US had already been canceled today according to FlightAware.
Hubs having the most issues include Denver, Las Vegas, Chicago Midway, Dallas Love Field, and Phoenix Sky Harbor.
At Logan International Airport in Boston there were a good number of delays and cancellations. Travelers are asked to be patient.
(Photo by KAMIL KRZACZYNSKI/AFP via Getty Images)
Photo: Getty Images