Originally Posted by
The Saint
No, the last flight out of JFK is a 747. The 173 (penultimate departure from LHR in the evening) is a 777 and overnights at JFK. It does the early morning return to London the following day (the 172).
Whoops... my bad. I knew one of them was. Blame the fact I was fresh off it when typing
Echo the above about the daytime flights...the second one is usually a little quieter than the earlier (777) one, but YMMV