Albany International Airport: chart of busiest domestic routes from ALB by passengers (Sept. 2015 - Aug. 2016)

Reference 1: Passengers.

Reference 2: Baltimore, Maryland, Chicago–O'Hare, Illinois, Orlando, Florida, Atlanta, Georgia, Charlotte, North Carolina, Chicago–Midway, Illinois, Philadelphia, Pennsylvania, Detroit, Michigan, Fort Lauderdale, Florida and Washington–National, D.C..

Source: http://en.wikipedia.org/wiki/Albany_International_Airport