As per taking reference Airline Helpline, The whole point behind launching non stops Las Vegas-Tokyo option is that it gives the Airlines a chance to try an unusual route exact at the same point when demand will be high because of the CES. However, O’Hare- American Airlines’ usual Tokyo Narita-Chicago schedules will remain resumed till Jan. 15th, 2019. American Airlines, however, will continue to modify the existing Chicago-Tokyo Narita O’Hare route to facilitate the Las Vegas option to the travelers. All along, the new nonstop is going to be the best option for the existing flight will at the end benefit the travelers once the Las Vegas option gets modified. All the updated information will be available on Airline Helpline for everyone. Learn More.