Airport Delay information for Washington, DC: Washington Dulles International
| Code | | Year/Month | Avg. Delay |
| IAD |
2003/6 |
52.4 |
| IAD |
2003/7 |
57.9 |
| IAD |
2003/8 |
56.9 |
| IAD |
2003/9 |
52.8 |
| IAD |
2003/10 |
53.5 |
| IAD |
2003/11 |
56.1 |
| IAD |
2003/12 |
51.3 |
| IAD |
2004/1 |
57.7 |
| IAD |
2004/2 |
48.3 |
| IAD |
2004/3 |
52.9 |
| IAD |
2004/4 |
48.6 |
| IAD |
2004/5 |
52.5 |
| IAD |
2004/6 |
48 |
| IAD |
2004/7 |
53.5 |
| IAD |
2004/8 |
54.7 |
| IAD |
2004/9 |
49.7 |
| IAD |
2004/10 |
50.2 |
| IAD |
2004/11 |
55.8 |
| IAD |
2004/12 |
53.6 |
| IAD |
2005/1 |
57 |
| IAD |
2005/2 |
54.8 |
| IAD |
2005/3 |
55.3 |
| IAD |
2005/4 |
51.5 |
| IAD |
2005/5 |
55.6 |
| IAD |
2005/6 |
62.1 |
| IAD |
2005/7 |
63.3 |
| IAD |
2005/8 |
54.6 |
| IAD |
2005/9 |
52.1 |
| IAD |
2005/10 |
56.6 |
| IAD |
2005/11 |
58.9 |
| IAD |
2005/12 |
55.3 |
| IAD |
2006/1 |
63.1 |
| IAD |
2006/2 |
63.2 |
| IAD |
2006/3 |
54.7 |
| IAD |
2006/4 |
48 |
| IAD |
2006/5 |
55.1 |
| IAD |
2006/6 |
73.9 |
| IAD |
2006/7 |
68.8 |
| IAD |
2006/8 |
63.1 |
| IAD |
2006/9 |
67.1 |
| IAD |
2006/10 |
65 |
| IAD |
2006/11 |
56 |
| IAD |
2006/12 |
56.6 |
| IAD |
2007/1 |
53.4 |
| IAD |
2007/2 |
67.4 |
| IAD |
2007/3 |
56 |
| IAD |
2007/4 |
59.4 |
| IAD |
2007/5 |
51.8 |
| IAD |
2007/6 |
59.3 |
| IAD |
2007/7 |
61.6 |
| IAD |
2007/8 |
67 |
| IAD |
2007/9 |
59 |
| IAD |
2007/10 |
55 |
| IAD |
2007/11 |
55.8 |
| IAD |
2007/12 |
68.3 |
| IAD |
2008/1 |
71.4 |
| IAD |
2008/2 |
70.8 |
| IAD |
2008/3 |
60.8 |
| IAD |
2008/4 |
65.4 |
| IAD |
2008/5 |
62.7 |
| IAD |
2008/6 |
73 |
| IAD |
2008/7 |
65.2 |
| IAD |
2008/8 |
61.8 |
| IAD |
2008/9 |
56.5 |
| IAD |
2008/10 |
57.9 |
| IAD |
2008/11 |
58.6 |
| IAD |
2008/12 |
66.3 |
| IAD |
2009/1 |
58.2 |
| IAD |
2009/2 |
62.7 |
| IAD |
2009/3 |
64.4 |
| IAD |
2009/4 |
63.6 |
| IAD |
2009/5 |
61.1 |
| IAD |
2009/6 |
69.5 |
| IAD |
2009/7 |
63.9 |
| IAD |
2009/8 |
65.7 |
| IAD |
2009/9 |
57.3 |
| IAD |
2009/10 |
55.1 |
| IAD |
2009/11 |
56.5 |
| IAD |
2009/12 |
59.1 |
| IAD |
2010/1 |
58 |
| IAD |
2010/2 |
60.2 |
| IAD |
2010/3 |
56.6 |
| IAD |
2010/4 |
57.1 |
| IAD |
2010/5 |
57.7 |
| IAD |
2010/6 |
73.7 |
| IAD |
2010/7 |
66.9 |
| IAD |
2010/8 |
66.5 |
| IAD |
2010/9 |
59.6 |
| IAD |
2010/10 |
57 |
| IAD |
2010/11 |
58.2 |
| IAD |
2010/12 |
65.9 |
| IAD |
2011/1 |
60 |
| IAD |
2011/2 |
71.6 |
| IAD |
2011/3 |
65.1 |
| IAD |
2011/4 |
70 |
| IAD |
2011/5 |
66.9 |
| IAD |
2011/6 |
74.9 |
| IAD |
2011/7 |
70.2 |
| IAD |
2011/8 |
74.6 |
| IAD |
2011/9 |
66.4 |
| IAD |
2011/10 |
67.4 |
| IAD |
2011/11 |
60.7 |
| IAD |
2011/12 |
59.1 |
| IAD |
2012/1 |
54 |
| IAD |
2012/2 |
67.2 |
| IAD |
2012/3 |
54.7 |
| IAD |
2012/4 |
58.4 |
| IAD |
2012/5 |
69 |
| IAD |
2012/6 |
67.9 |
| IAD |
2012/7 |
68.1 |
| IAD |
2012/8 |
67.6 |
| IAD |
2012/9 |
62.7 |
| IAD |
2012/10 |
59.7 |
| IAD |
2012/11 |
55.7 |
| IAD |
2012/12 |
58.4 |
| IAD |
2013/1 |
59.3 |
| IAD |
2013/2 |
61.7 |
| IAD |
2013/3 |
61.3 |
| IAD |
2013/4 |
64.8 |
| IAD |
2013/5 |
61.1 |
| IAD |
2013/6 |
62.8 |
| IAD |
2013/7 |
63.7 |
| IAD |
2013/8 |
58.6 |
| IAD |
2013/9 |
56.3 |
| IAD |
2013/10 |
60.4 |
| IAD |
2013/11 |
62.3 |
| IAD |
2013/12 |
63.1 |
| IAD |
2014/1 |
80.7 |
| IAD |
2014/2 |
65.6 |
| IAD |
2014/3 |
57.9 |
| IAD |
2014/4 |
55 |
| IAD |
2014/5 |
64.3 |
| IAD |
2014/6 |
66.8 |
| IAD |
2014/7 |
63.2 |
| IAD |
2014/8 |
61 |
| IAD |
2014/9 |
60.1 |
| IAD |
2014/10 |
52.6 |
| IAD |
2014/11 |
69.3 |
| IAD |
2014/12 |
59.2 |
| IAD |
2015/1 |
61.2 |
| IAD |
2015/2 |
55.2 |
| IAD |
2015/3 |
54.8 |
| IAD |
2015/4 |
51.5 |
| IAD |
2015/5 |
56.8 |
| IAD |
2015/6 |
52.6 |
| IAD |
2015/7 |
56.9 |
| IAD |
2015/8 |
54.3 |
| IAD |
2015/9 |
43.6 |
| IAD |
2015/10 |
56.3 |
| IAD |
2015/11 |
59.8 |
| IAD |
2015/12 |
60.9 |
| IAD |
2016/1 |
54.8 |