CES is one of Las Vegas’ biggest annual conventions, and airlines often add extra service in light of this. Not only do they often increase frequencies or upgrade aircraft types on existing routes, but sometimes they also temporarily add new routes altogether.
American Airlines will be operating nonstop flights between Tokyo Narita and Las Vegas between January 4 and 12, 2020. American has a joint venture with Japan Airlines, so the two airlines will be sharing revenue on the service, and it will offer all kinds of connecting opportunities within Asia.
The airline will use a Boeing 777-200 for the route, featuring 36 fully flat business class seats.
AA186 Tokyo Narita to Las Vegas departing 6:20PM arriving 11:35AM
AA187 Las Vegas to Tokyo Narita departing 11:15AM arriving 4:15PM (+1 day)

As you can see, the flight from Tokyo to Las Vegas lands 20 minutes before the flight from Las Vegas to Tokyo departs, so the airline will also be flying a 777-200 between Dallas and Las Vegas to make this route possible. That flight will operate with the following schedule:
AA2238 Dallas to Las Vegas departing 7:10AM arriving 8:00AM
AA749 Las Vegas to Dallas departing 2:00PM arriving 6:50PM
This will be the second year that American offers nonstop flights between Las Vegas and Tokyo for CES.
On top of that, American will be adding nonstop flights from Austin and San Jose to Las Vegas over CES.
Interestingly American wanted to launch year-round flights between Las Vegas and Tokyo Haneda, as part of the Haneda slot allocation for US airlines. Unfortunately this route wasn’t approved, in spite of it being a unique route. The reason is because of American’s four route requests for Haneda, they prioritized the Las Vegas flight last.
Nonetheless we’ll see nonstop flights between Las Vegas and Tokyo… though only for several days.
As far as other flights to Asia go, Las Vegas has nonstop year-round flights to Beijing on Hainan Airlines, and to Seoul Incheon on Korean Air.
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