From smartertravel, June 25, 2007 at 3:31 pm ET:

"Joe Brancatelli...details how the airline canceled 14 percent (193) flights yesterday, 159 flights on Saturday, and has already canceled 82 flights today."

"Brancatelli points to Northwest's severe understaffing as the cause of the debacle, and says, 'at this point, there's no reason to think that the cancellations will ease after today.'"