Table 4: Average Taxi Times (minutes) by Hub Size in 2007,,,,,,,,, ,Average minutes,,% of total operations,,,,,, ,Taxi-Out,Taxi-In,,,,,,, Large Hub,18.5,7.8,58.8,,,,,, Medium Hub,13.4,5.3,18.1,,,,,, Small Hub,12.7,4.7,9.8,,,,,, Non-Hub,12.0,4.3,13.3,,,,,, Total,16.7,6.9,100.0,,,,,, NOTES: Taxi-out (taxi-in) times are based on the departures from (arrivals at) airports with the given hub size. Operations include both departures and arrivals and are based on T100 Segment data.,,,,,,,,, "SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Airline On-Time Performance Database and T100 Domestic and International Segment Databases.",,,,,,,,, ,,, ,,, ,,, ,,, ,,,