Passengers sleep on the floor in the check-in line as dozens of flights were canceled or delayed by Sunday's ice storm, at Pearson International Airport in Toronto, Monday, Dec. 23, 2013. (AP ... more 
Passengers sleep on the floor in the check-in line as dozens of flights were canceled or delayed by Sunday's ice storm, at Pearson International Airport in Toronto, Monday, Dec. 23, 2013. (AP Photo/The Canadian Press, J.P. Moczulski) less 
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Associated Press | Photo By AP Photo/The Canadian Press, J.P. Moczulski
Mon, Dec 23, 2013 4:00 PM EST