A random search for flights from Hong Kong (HKG) to New York Kennedy (JFK) shows:
OPTION 1: 15hr 45min Nonstop
HKG - JFK Cathay Pacific Airways Flt 830 Dep 09:25am 23Apr,Fri
Flight Duration: 15hr 45min
OPTION 2: 18hr 10min via Shanghai Pu Dong (PVG) [Cheaper Option]
HKG - PVG China Eastern Airlines Flt 726 Dep 08:05am 23Apr,Fri
PVG - JFK China Eastern Airlines Flt 587 Dep 12:00pm 23Apr,Fri
Flight Duration: 16hr 30min; Layover Time: 1hr 40min; Total Trip Time: 18hr 10min
The average flight time from John F. Kennedy International Airport to Barcelona, Spain is 7 hours, 40 minutes.
The average flight time from John F. Kennedy International Airport to Calgary, Canada is 4 hours, 5 minutes.
A typical flight between Narita, Japan and JFK would have a flying time of about 13 hours, 29 minutes.
about 2 hours...
The flight time from John F. Kennedy International Airport to Grand Bahama International Airport is about 2 hours.
The average flight time from John F. Kennedy International Airport to Ben Gurion International Airport is 11 hours, 21 minutes.
The flight time from John F. Kennedy International Airport to Macau is about 16 hours, 10 minutes.
The flight time from Venice, Italy to John F. Kennedy International Airport is about 8 hours, 19 minutes.
2,475 air miles and about 5 hours flight time.
The flight time from John F. Kennedy International Airport to Honolulu International Airport is 9 hours, 58 minutes.
The flight time from John F. Kennedy International Airport to Cancún International Airport is about 3 hours, 7 minutes.
The average flight time from John F. Kennedy International Airport to Phoenix Sky Harbor International Airport is 4 hours, 18 minutes.