Boeing has a strong leasing and holding company book ending in 2015. This is a subgroup of particular interest, as it shows a balance against the outright purchasing participation compared with leasing during 2015. The lease book portion is an older inventory, booked over-all, where its delivery percentage is lower than the overall delivery to book rate.
Boeing delivered lease to booked lease Chart 2015 YTD For The 787 Program
The 20% delivered to book lease rate is considerably smaller than Boeing's over-all delivered to Book rate of 32%, as the delivered to purchase rate comes in at 34%.