More than 29,000 Flights Were Canceled in December

Airlines canceled 29,391 flights in December (3.54 percent of total flights scheduled), up sharply from 21,954 canceled flights (2.7 percent of total) in December 2009, according to Flightstats.com

Flightstats didn't break down cancellations by date in December, but the overall number, combined with other factors such as month-to-month weather comparisons, fits with data showing that about 10,000 flights were canceled at domestic airports during the five days starting on Christmas, when East Coast airports, especially those in the New York area, were hammered by a blizzard. The effects of the snowstorm, including those reflecting impossible airport conditions and those reflecting preemptive cancellations made by airlines to head off potential fines for tarmac strandings, rippled through the whole air-travel system.

On-time arrivals were at just 67.9 percent, meaning that almost a third of flights that fly arrived late -- and 11.43 percent of those arrived more than 44 minutes late, Flightstats said.

Of the top 10 North American airlines, JetBlue had by far the worst record on cancellations. In December, JetBlue scrubbed 8.16 percent of its scheduled flights.

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