"Table 2
Ranking of Airline On-Time Performance by Month Since 1995",,,,,,,,
"Ranking by Best On-Time Arrival Percent 
",,,,,,,,
Rank,Year,Month,Percent On-Time Arrivals,Percent Late Arrivals,Percent Cancelled,Percent Diverted,Percent On-Time Departures,Number of Scheduled Flights
1,2002,9,87.95,11.07,0.86,0.12,89.99,"429,996"
2,2003,4,86.84,11.83,1.2,0.13,89.17,"527,303"
3,2003,10,86.39,12.56,0.92,0.13,89.41,"552,370"
4,2003,9,85.63,12.77,1.46,0.15,88.9,"527,714"
5,1995,9,85.58,13.15,1.16,0.11,89.04,"429,774"
6,2002,11,85.21,13.8,0.89,0.11,88.42,"415,024"
7,1997,9,85.03,13.37,1.43,0.17,88.68,"444,431"
8,2003,5,84.93,14.11,0.81,0.15,88.37,"533,782"
9,2001,10,84.78,13.51,1.54,0.17,85.16,"443,796"
10,2001,11,84.71,14.06,1.08,0.16,86.54,"417,386"
11,2002,2,84.69,14.12,1.08,0.1,87.47,"399,535"
12,2002,10,84.18,14.7,1.02,0.11,87.57,"446,590"
13,2004,9,83.91,12.84,3.07,0.18,85.84,"585,125"
14,2003,1,83.32,15.01,1.51,0.16,86.46,"552,109"
15,1998,11,83.29,15.09,1.47,0.15,86.38,"436,528"
16,1997,5,83.16,15.54,1.13,0.17,86.96,"457,361"
17,2004,4,83.04,16.08,0.77,0.11,86.13,"582,970"
18,2002,5,82.76,16.13,0.99,0.13,86.17,"450,046"
19,2002,8,82.62,16.05,1.14,0.18,85,"466,764"
20,2002,4,82.58,16.23,1.03,0.16,86.07,"438,141"
21,2003,3,82.57,15.54,1.71,0.18,85.99,"559,342"
22,2003,6,82.36,16.66,0.78,0.2,85.91,"536,496"
23,1995,10,82.09,16.66,1.09,0.15,85.94,"448,017"
24,1998,10,81.75,16.35,1.71,0.19,85.28,"457,954"
25,1997,10,81.55,16.68,1.64,0.13,85.76,"459,247"
26,2001,5,81.47,16.59,1.78,0.16,84.55,"529,940"
27,1999,11,81.41,16.74,1.68,0.16,84.16,"454,950"
28,1995,4,81.3,17.2,1.32,0.17,85.82,"441,074"
29,2004,3,81.29,17.3,1.26,0.15,84.72,"601,412"
30,2002,1,81.02,17.19,1.67,0.11,84.72,"436,336"
31,2004,10,81,17.76,1.1,0.14,84.4,"610,037"
32,1995,5,80.68,17.71,1.43,0.18,85.58,"448,341"
33,2001,12,80.22,18.63,1.01,0.14,82.3,"429,869"
34,2003,11,80.2,18.21,1.4,0.19,84.97,"528,171"
35,1996,4,80.18,18.38,1.27,0.17,84.48,"436,007"
36,1995,7,80.08,18.39,1.29,0.24,83.75,"449,856"
37,1999,10,80.06,17.77,2.04,0.13,83.54,"478,294"
38,1995,8,79.85,18.27,1.66,0.22,83.34,"457,423"
39,1997,4,79.85,18.38,1.58,0.19,84.01,"447,294"
40,2002,7,79.66,18.75,1.34,0.24,82.29,"465,573"
41,2003,7,79.66,18.72,1.4,0.22,83.46,"558,568"
42,1999,9,79.35,17.17,3.31,0.17,83.28,"460,251"
43,1995,3,79.3,18.95,1.59,0.16,83.49,"461,503"
44,2001,4,79.29,18.31,2.22,0.18,82.31,"514,187"
45,1998,4,79.12,19.09,1.57,0.22,83.4,"442,644"
46,2004,11,79.12,19.45,1.26,0.18,82.11,"584,610"
47,2003,8,79,19.09,1.64,0.27,83.2,"556,984"
48,1998,9,78.94,13.51,7.41,0.15,81.44,"443,901"
49,1996,5,78.92,19.29,1.57,0.22,83.49,"448,923"
50,1995,2,78.91,18.53,2.38,0.18,82.86,"418,312"
51,1999,2,78.91,17.43,3.48,0.19,82.14,"417,627"
52,1998,7,78.86,18.89,2.02,0.23,81.7,"462,429"
53,1996,9,78.69,19.34,1.76,0.21,84.03,"438,352"
54,2002,6,78.64,19.42,1.71,0.23,81.6,"448,333"
55,2002,3,78.59,19.9,1.35,0.17,82.11,"447,896"
56,1997,8,78.56,19.73,1.48,0.23,82.68,"466,608"
57,2002,12,78.34,19.71,1.72,0.22,81.08,"427,125"
58,2004,8,78.29,19.88,1.63,0.2,81.33,"623,107"
59,1997,11,78.22,20.02,1.55,0.2,83.38,"432,725"
60,2001,7,78.12,19.56,2.1,0.22,81.04,"538,440"
61,1997,3,78.1,19.88,1.81,0.21,82.16,"460,986"
62,2000,9,78.1,19.45,2.24,0.21,82.03,"463,097"
63,1999,3,78.09,19.03,2.66,0.22,81.37,"466,267"
64,1999,12,78,20.07,1.74,0.19,81.58,"469,944"
65,1996,11,77.91,19.65,2.19,0.24,82.56,"435,088"
66,1995,11,77.85,20.49,1.47,0.19,81.48,"427,091"
67,2004,5,77.62,20.36,1.75,0.28,81.74,"594,457"
68,1997,7,77.5,20.54,1.69,0.28,82.29,"466,771"
69,1998,5,77.48,20.21,2.09,0.21,81.73,"449,293"
70,2004,2,77.48,20.68,1.71,0.13,82,"553,876"
71,1996,10,77.19,20.82,1.74,0.25,82.76,"456,577"
72,1998,8,77.03,19.56,3.16,0.25,80.62,"465,910"
73,2000,3,76.99,20.68,2.12,0.21,80.73,"482,944"
74,2003,2,76.54,19.21,4,0.25,80.79,"500,205"
75,1999,5,76.19,21,2.57,0.25,81.16,"462,054"
76,2001,8,76.18,21.08,2.45,0.29,79.86,"544,351"
77,1997,6,76.14,22.04,1.51,0.32,81.41,"450,737"
78,1999,8,76.11,21.21,2.44,0.23,80.23,"479,549"
79,2000,10,76.07,21.6,2.13,0.19,80.17,"485,761"
80,2003,12,76.04,21.72,2.09,0.15,80.33,"555,495"
81,2004,7,75.95,22.14,1.65,0.26,79.07,"614,166"
82,1995,6,75.94,22.53,1.32,0.21,81.7,"439,423"
83,1996,3,75.94,21.87,1.98,0.21,79.84,"449,569"
84,1998,3,75.85,21.76,2.14,0.25,80.26,"459,703"
85,1999,4,75.73,22.05,1.98,0.24,81.05,"450,620"
86,2001,1,75.42,20.64,3.75,0.18,78.72,"529,940"
87,1998,2,75.39,21.82,2.54,0.25,80.91,"412,832"
88,2000,4,75.37,21.9,2.51,0.22,79.74,"463,263"
89,1996,7,75.29,22.42,2.04,0.26,79.97,"458,376"
90,2001,3,75.22,21.24,3.37,0.17,78.26,"531,119"
91,1997,2,75.21,22.51,2.07,0.2,80.37,"415,656"
92,2001,6,75.18,21.52,2.98,0.32,78.73,"520,230"
93,1998,1,75.05,21.59,3.07,0.28,79.9,"452,001"
94,2004,1,74.85,21.96,3.02,0.17,79.68,"583,987"
95,2000,2,74.76,21.58,3.42,0.24,78.89,"444,499"
96,1996,8,74.69,23.34,1.72,0.25,79.98,"462,294"
97,1996,6,74.67,23.24,1.81,0.28,79.57,"443,311"
98,2000,5,74.25,22.01,3.45,0.28,78.34,"478,909"
99,1995,1,73.83,22.82,3.07,0.29,78.39,"464,933"
100,2000,1,73.75,20.77,5.21,0.28,78.26,"470,477"
101,1997,12,73.54,24.38,1.82,0.26,78.64,"450,904"
102,1998,12,73.22,24.27,2.18,0.34,76.89,"455,099"
103,2004,6,72.95,25.26,1.49,0.29,77.36,"588,792"
104,2000,11,72.82,24.67,2.34,0.17,77.21,"467,251"
105,2001,2,72.73,23.31,3.65,0.3,77.17,"477,824"
106,1996,2,71.9,24.3,3.47,0.33,76.44,"420,265"
107,2004,12,71.56,25.39,2.82,0.23,74.46,"606,731"
108,1999,7,71.07,25.44,3.14,0.35,75.98,"474,047"
109,1999,6,70.88,26.02,2.75,0.35,76.68,"460,467"
110,1998,6,70.42,26.3,2.88,0.4,75.47,"446,427"
111,2000,7,70.31,26.21,3.21,0.27,74.31,"483,342"
112,2000,8,69.96,26.71,3.05,0.28,74.56,"491,366"
113,1997,1,68.41,27.32,3.95,0.32,74.19,"459,123"
114,1999,1,67.66,26.04,5.85,0.45,71.95,"453,814"
115,1995,12,67.66,29.21,2.87,0.26,71.62,"441,688"
116,2001,9,67.66,11.82,20.24,0.28,68.53,"490,698"
117,1996,12,66.63,30.36,2.7,0.32,71.37,"455,997"
118,2000,6,66.34,29.37,3.95,0.34,71.11,"471,100"
119,2000,12,62.75,30.99,5.95,0.31,66.52,"481,038"
120,1996,1,62.67,30.28,6.62,0.44,68.49,"447,224"
"SOURCE: Bureau of Transportation Statistics, Airline On-Time Data",,,,,,,,