Figure 6: Monthly Variation in Daily Departures and Taxi-Out Times,,
(Indexed to 2003-2007 average),,
,Departures,Taxi-out
Jan,0.952,0.996
Feb,0.966,0.993
Mar,0.999,0.981
Apr,1.001,0.955
May,0.997,0.980
Jun,1.034,1.030
Jul,1.037,1.039
Aug,1.049,1.029
Sep,0.999,0.981
Oct,1.000,0.990
Nov,0.983,0.993
Dec,0.981,1.028
NOTE: Departures are averages per day and are based on T-100 Segment data. Data for December 2007 was unavailable at press time and was projected based on the growth rate in departures between December 2006 and December 2007 from the ASQP data.,,
"SOURCE:  U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Airline On-Time Performance Database.",,