Airport Delay information for Washington, DC: Washington Dulles International
| Code |
Year/Month |
Avg. Delay |
| IAD | 2003/06 | 52.4 min |
| IAD | 2003/07 | 57.9 min |
| IAD | 2003/08 | 56.9 min |
| IAD | 2003/09 | 52.8 min |
| IAD | 2003/10 | 53.5 min |
| IAD | 2003/11 | 56.1 min |
| IAD | 2003/12 | 51.3 min |
| IAD | 2004/01 | 57.7 min |
| IAD | 2004/02 | 48.3 min |
| IAD | 2004/03 | 52.9 min |
| IAD | 2004/04 | 48.6 min |
| IAD | 2004/05 | 52.5 min |
| IAD | 2004/06 | 48 min |
| IAD | 2004/07 | 53.5 min |
| IAD | 2004/08 | 54.7 min |
| IAD | 2004/09 | 49.7 min |
| IAD | 2004/10 | 50.2 min |
| IAD | 2004/11 | 55.8 min |
| IAD | 2004/12 | 53.6 min |
| IAD | 2005/01 | 57 min |
| IAD | 2005/02 | 54.8 min |
| IAD | 2005/03 | 55.3 min |
| IAD | 2005/04 | 51.5 min |
| IAD | 2005/05 | 55.6 min |
| IAD | 2005/06 | 62.1 min |
| IAD | 2005/07 | 63.3 min |
| IAD | 2005/08 | 54.6 min |
| IAD | 2005/09 | 52.1 min |
| IAD | 2005/10 | 56.6 min |
| IAD | 2005/11 | 58.9 min |
| IAD | 2005/12 | 55.3 min |
| IAD | 2006/01 | 63.1 min |
| IAD | 2006/02 | 63.2 min |
| IAD | 2006/03 | 54.7 min |
| IAD | 2006/04 | 48 min |
| IAD | 2006/05 | 55.1 min |
| IAD | 2006/06 | 73.9 min |
| IAD | 2006/07 | 68.8 min |
| IAD | 2006/08 | 63.1 min |
| IAD | 2006/09 | 67.1 min |
| IAD | 2006/10 | 65 min |
| IAD | 2006/11 | 56 min |
| IAD | 2006/12 | 56.6 min |
| IAD | 2007/01 | 53.4 min |
| IAD | 2007/02 | 67.4 min |
| IAD | 2007/03 | 56 min |
| IAD | 2007/04 | 59.4 min |
| IAD | 2007/05 | 51.8 min |
| IAD | 2007/06 | 59.3 min |
| IAD | 2007/07 | 61.6 min |
| IAD | 2007/08 | 67 min |
| IAD | 2007/09 | 59 min |
| IAD | 2007/10 | 55 min |
| IAD | 2007/11 | 55.8 min |
| IAD | 2007/12 | 68.3 min |
| IAD | 2008/01 | 71.4 min |
| IAD | 2008/02 | 70.8 min |
| IAD | 2008/03 | 60.8 min |
| IAD | 2008/04 | 65.4 min |
| IAD | 2008/05 | 62.7 min |
| IAD | 2008/06 | 73 min |
| IAD | 2008/07 | 65.2 min |
| IAD | 2008/08 | 61.8 min |
| IAD | 2008/09 | 56.5 min |
| IAD | 2008/10 | 57.9 min |
| IAD | 2008/11 | 58.6 min |
| IAD | 2008/12 | 66.3 min |
| IAD | 2009/01 | 58.2 min |
| IAD | 2009/02 | 62.7 min |
| IAD | 2009/03 | 64.4 min |
| IAD | 2009/04 | 63.6 min |
| IAD | 2009/05 | 61.1 min |
| IAD | 2009/06 | 69.5 min |
| IAD | 2009/07 | 63.9 min |
| IAD | 2009/08 | 65.7 min |
| IAD | 2009/09 | 57.3 min |
| IAD | 2009/10 | 55.1 min |
| IAD | 2009/11 | 56.5 min |
| IAD | 2009/12 | 59.1 min |
| IAD | 2010/01 | 58 min |
| IAD | 2010/02 | 60.2 min |
| IAD | 2010/03 | 56.6 min |
| IAD | 2010/04 | 57.1 min |
| IAD | 2010/05 | 57.7 min |
| IAD | 2010/06 | 73.7 min |
| IAD | 2010/07 | 66.9 min |
| IAD | 2010/08 | 66.5 min |
| IAD | 2010/09 | 59.6 min |
| IAD | 2010/10 | 57 min |
| IAD | 2010/11 | 58.2 min |
| IAD | 2010/12 | 65.9 min |
| IAD | 2011/01 | 60 min |
| IAD | 2011/02 | 71.6 min |
| IAD | 2011/03 | 65.1 min |
| IAD | 2011/04 | 70 min |
| IAD | 2011/05 | 66.9 min |
| IAD | 2011/06 | 74.9 min |
| IAD | 2011/07 | 70.2 min |
| IAD | 2011/08 | 74.6 min |
| IAD | 2011/09 | 66.4 min |
| IAD | 2011/10 | 67.4 min |
| IAD | 2011/11 | 60.7 min |
| IAD | 2011/12 | 59.1 min |
| IAD | 2012/01 | 54 min |
| IAD | 2012/02 | 67.2 min |
| IAD | 2012/03 | 54.7 min |
| IAD | 2012/04 | 58.4 min |
| IAD | 2012/05 | 69 min |
| IAD | 2012/06 | 67.9 min |
| IAD | 2012/07 | 68.1 min |
| IAD | 2012/08 | 67.6 min |
| IAD | 2012/09 | 62.7 min |
| IAD | 2012/10 | 59.7 min |
| IAD | 2012/11 | 55.7 min |
| IAD | 2012/12 | 58.4 min |
| IAD | 2013/01 | 59.3 min |
| IAD | 2013/02 | 61.7 min |
| IAD | 2013/03 | 61.3 min |
| IAD | 2013/04 | 64.8 min |
| IAD | 2013/05 | 61.1 min |
| IAD | 2013/06 | 62.8 min |
| IAD | 2013/07 | 63.7 min |
| IAD | 2013/08 | 58.6 min |
| IAD | 2013/09 | 56.3 min |
| IAD | 2013/10 | 60.4 min |
| IAD | 2013/11 | 62.3 min |
| IAD | 2013/12 | 63.1 min |
| IAD | 2014/01 | 80.7 min |
| IAD | 2014/02 | 65.6 min |
| IAD | 2014/03 | 57.9 min |
| IAD | 2014/04 | 55 min |
| IAD | 2014/05 | 64.3 min |
| IAD | 2014/06 | 66.8 min |
| IAD | 2014/07 | 63.2 min |
| IAD | 2014/08 | 61 min |
| IAD | 2014/09 | 60.1 min |
| IAD | 2014/10 | 52.6 min |
| IAD | 2014/11 | 69.3 min |
| IAD | 2014/12 | 59.2 min |
| IAD | 2015/01 | 61.2 min |
| IAD | 2015/02 | 55.2 min |
| IAD | 2015/03 | 54.8 min |
| IAD | 2015/04 | 51.5 min |
| IAD | 2015/05 | 56.8 min |
| IAD | 2015/06 | 52.6 min |
| IAD | 2015/07 | 56.9 min |
| IAD | 2015/08 | 54.3 min |
| IAD | 2015/09 | 43.6 min |
| IAD | 2015/10 | 56.3 min |
| IAD | 2015/11 | 59.8 min |
| IAD | 2015/12 | 60.9 min |
| IAD | 2016/01 | 54.8 min |