"Table 1
Summary of Airline On-time Performance Year-to-date through July 2004",,,,,,,,,,
Year,Operations,Late Arrivals,Late Departures,Cancelled,Diverted,Percent On-time Arrivals,Percent Late Arrivals,Percent Late Departures,Percent Cancelled,Percent Diverted
1995," 3,123,442 "," 608,040 "," 473,602 "," 55,448 "," 6,385 ",78.55,19.47,15.16,1.78,0.20
1996," 3,103,675 "," 708,384 "," 571,725 "," 83,044 "," 8,412 ",74.23,22.82,18.42,2.68,0.27
1997," 3,157,928 "," 659,177 "," 517,896 "," 62,007 "," 7,639 ",76.92,20.87,16.40,1.96,0.24
1998," 3,125,329 "," 667,769 "," 537,369 "," 72,756 "," 8,259 ",76.04,21.37,17.19,2.33,0.26
1999," 3,184,896 "," 716,448 "," 580,620 "," 101,814 "," 9,397 ",74.01,22.50,18.23,3.20,0.30
2000," 3,294,534 "," 765,408 "," 634,792 "," 112,253 "," 8,691 ",73.10,23.23,19.27,3.41,0.26
2001," 3,641,680 "," 732,976 "," 619,944 "," 102,876 "," 7,934 ",76.83,20.13,17.02,2.82,0.22
2002," 3,085,860 "," 538,633 "," 444,501 "," 40,538 "," 5,073 ",81.07,17.45,14.40,1.31,0.16
2003," 3,767,806 "," 597,853 "," 476,069 "," 60,539 "," 6,562 ",82.35,15.87,12.64,1.61,0.17
2004," 4,119,660 "," 846,282 "," 692,965 "," 68,489 "," 8,231 ",77.60,20.54,16.82,1.66,0.20
"SOURCE: Bureau of Transportation Statistics, Airline On-time Data",,,,,,,,,,

Note: The number of reporting carriers has varied as follows: ,,,,,,,,,,
,,,,,,,,,,
1995,10
1996,10
1997,10
1998,10
1999,10
2000,11
2001,12
2002,10
2003,18
2004,19