the average cabby work six and a ½ hours a morning . a day ' s busiest weekdays are 6 to 8 m . m . and even as the nation has fallen deeper into recession , the variety of cab rides each day in new york has remained mostly steady . those are among the most vivid bits of information about the yellow cab industry to emerge from a trove of new data compiled by the airline and limousine council from buses equipped with new computer systems that record each trip and trip .
The busiest hour for a cab is 9 p.m.