Mayor Rob Ford told the Toronto Sun: "I feel like I got 1,000 pounds off my back. I felt I had to say it. It is what is. I feel two inches high right now but I needed to deal with it. I am not going to quit or take a leave."
"I am not an addict or an alcoholic. I have work to do and I am moving on. The way I see it now, this is over."
He insisted: "I am not a crackhead or junkie."
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Guillier conceded a "severe defeat" defeat to his supporters as the result came in.
The outage struck Hartfield-Jackson Atlanta International Airport at around 1pm local time, stopping all outgoing flights.
It will be a chilly day for many parts with the highest temperatures, about 10 Celsius (50F) in the far northwest.