Concourse E of the Baltimore–Washington International Airport serves four airlines , including Icelandair .
Concourse D originally housed Piedmont Airline 's hub at BWI.Concourse E has 7 gates : E1-E6 and E8 ( with 4 arrival-only gates ) .Officially known as the Governor William Donald Schaefer International Terminal , it serves British Airways , Condor , and Southwest ( international arrivals that are not pre-cleared ) .
Baltimore–Washington International Airport