Wondering what is the best time to travel to Washington DC? This page provides information about the number of passengers arriving monthly at Washington DC (IAD) airport.
In the following graph, the horizontal axis represents time of year, and the vertical axis the approximate number of passenger arrivals monthly.
This post is about busy times of the year at Washington DC airport, based on the number of arriving passengers at IAD. It helps answer the question when to go, and might assist in planning a trip to Washington DC.
Next is a plot showing approximately how full the planes flying to Washington DC were on average each month.
Flight information on this page may also be of interest for those looking for when is the least crowded time to visit IAD, what is the best month to go to IAD, when to travel to Washington DC, and avoiding crowds when traveling.