Figure 3: Percent of Weather-Related Delays & Cancellations: January 2004 – February 2010

Figure 3: Percent of Weather-Related Delays & Cancellations: January 2004 February 2010

(as a percent of scheduled flights)

Excel | CSV | Graphic Version

Year Month Weather-related Delays (%) Weather-related Cancellations (%)
2004 1 2.26 1.52
2004 2 1.68 0.50
2004 3 0.99 0.41
2004 4 0.89 0.12
2004 5 1.78 0.48
2004 6 2.68 0.30
2004 7 1.69 0.29
2004 8 1.71 0.46
2004 9 0.78 1.79
2004 10 1.27 0.21
2004 11 1.65 0.30
2004 12 2.15 1.14
2005 1 2.32 2.65
2005 2 1.41 0.62
2005 3 1.48 0.48
2005 4 0.94 0.40
2005 5 1.00 0.18
2005 6 1.81 0.36
2005 7 2.73 0.63
2005 8 1.90 0.67
2005 9 0.84 0.82
2005 10 1.09 0.68
2005 11 1.12 0.24
2005 12 1.98 0.89
2006 1 1.41 0.52
2006 2 1.66 1.17
2006 3 1.48 0.33
2006 4 1.22 0.18
2006 5 1.41 0.21
2006 6 2.11 0.36
2006 7 1.92 0.29
2006 8 1.60 0.34
2006 9 1.49 0.31
2006 10 1.70 0.51
2006 11 1.36 0.56
2006 12 1.74 1.66
2007 1 2.04 1.33
2007 2 2.40 2.81
2007 3 1.42 1.29
2007 4 1.24 0.56
2007 5 1.35 0.27
2007 6 2.71 0.65
2007 7 2.36 0.49
2007 8 1.75 0.32
2007 9 0.87 0.17
2007 10 1.06 0.27
2007 11 0.83 0.22
2007 12 2.57 1.80
2008 1 1.61 1.11
2008 2 2.14 1.76
2008 3 1.66 1.22
2008 4 0.92 0.25
2008 5 0.94 0.24
2008 6 1.97 0.57
2008 7 1.60 0.42
2008 8 1.41 0.59
2008 9 0.58 1.20
2008 10 0.45 0.11
2008 11 0.70 0.18
2008 12 3.06 1.84
2009 1 1.75 1.25
2009 2 0.78 0.38
2009 3 1.20 1.11
2009 4 1.31 0.58
2009 5 1.06 0.22
2009 6 1.42 0.48
2009 7 1.33 0.31
2009 8 1.19 0.25
2009 9 0.60 0.13
2009 10 1.05 0.32
2009 11 0.35 0.13
2009 12 2.06 1.85
2010 1 1.17 1.30
2010 2 1.42 4.19

SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Airline On-Time Performance Database, February 2010