Ex QF, I'd reckon ex-Nadi you could get JFK direct - so none of that clearing-customs-in-the-first-port caper before NY.
That is said, of course, in ignorance of any payload restrictions ex-Nadi due wx or runway etc. so I'm preparing my flame-proof suit here.
Keg,
You're nothing if not an optimist, mate. And far too logical.