Originally Posted by MiamiBeach
Not sure I understand why HKG-JFK-LIM would have to be replaced with HKG-LAX-LIM.
Yep, HKG-xJFK-LIM is technically just as valid. Personally I prefer to go via LAX and use the almost 24 hr LAX transit for a little R&R, but the OP is probably young enough to do it direct without a problem, and go to a Lima disco on arrival.