I-A-D means I'm Already at my Destination.
Dulles International Airport offers travelers 42% more non-stop destinations than any other airport in the region, according to Diio Market Intelligence data retrieved from published airline schedules for November 2018 – October 2019. Here are the latest stats:
IAD: 139 destinations
DCA: 95 destinations
BWI: 87 destinations
Visit our flight guide page to search for future flight dates and times.