Originally Posted by
Hawaii50
I'm pretty sure it's the same wing with about a 7 ft raked extension on each side. The only drawback to the raked design I believe is the increase in wingspan for ground operations.
It is actually the opposite. The original design for the 767-400 was a winglet but the increased span would not allow LGA operations. Delta told Boeing they would not buy the aircraft unless it would fit in LGA since it was intended at the time as a domestic L1011 replacement. The raked wingtip was a redesign to reduce the span and get the aircraft into LGA.