Flyer In The Berkshires. Amtrak Train 1233 (Berkshire Flyer) was passing through a curve filled with scenic lush foliage and mountains in the background in Canaan, New York on Sunday, July 14, 2024 with AMTK 704 (P32AC-DM, Phase III) leading. The summer only Berkshire Flyer service is in its third year of round trip operation between New York Penn Station/Moynihan Train Hall and Pittsfield, Massachusetts.