As of now, BP is expected to get their first LFS sometime in June and July, JFK gets their first LFS in August and LGA gets their first LFS sometime in Sep-Nov.
Correct me if im wrong but BP gets 46 (8964-9009) and JFK/FR get 89 (9010-9098) which is part of the 135 LFS order, LGA will be receiving their LFS through the 173 LFS order.