Graves' disease is an immune system disorder that results in the overproduction of thyroid hormones (hyperthyroidism). Although a number of disorders may result in hyperthyroidism, Graves' disease is a common cause.
Flight time from LAX to JFK is 5 hours 6 minutes. Delta Air Lines is one of the direct flight which takes 5 hours 6 minutes to travel from Los Angeles International Airport (LAX) to John F Kennedy International Airport (JFK). Flight time from New York to Los Angeles (all airports).
Heathrow-JFK (Virgin Atlantic) 7 Hours 30 Minutes. JFK-Heathrow (Virgin Atlantic) 5 Hours 25 Mintues. It really depends on wind speed and how fast the plane is going. But genrally to get to New York It takes 7-8 hours and then back home 5.15-7 Hours.