The crew of the All Nippon Airways flight discovered the errant passenger hours into the flight Tuesday and the jet returned to Los Angeles.
A flight from Los Angeles to Tokyo turned back on Tuesday because of an apparent mix-up involving an unauthorised passenger on board - while a famous model repeatedly tweeted about the episode to 10 million followers.
A statement from the airline says the pilot chose to return to the originating airport as part of the airline's security procedures.
Model Chrissy Teigen said in a tweet that she and her husband John Legend, a singer and actor, were on the flight. She wondered on Twitter why the plane was turning around four hours into the 11-hour flight.
The Tokyo-bound flight, NH175, was interrupted on behalf of a single mixed-up passenger, who had boarded the incorrect flight.
"We apologize to all of our passengers on Flight 175; we failed to deliver the customer service we strive for", the airline tweeted Wednesday.
Snow pushes out; arctic air coming soon
Very cold air looks to move into the region next week with highs in the mid to upper 20s and lows in the teens and single digits. Temperatures have to moderate a bit next week, and we may get a better shot at some snow or a wintry mix by about Thursday .
The celebrity couple was headed to Japan for vacation when they were caught in the mishap.
She also questioned how that person was able to get on the plane.
Chrissy Teigen on the TODAY show, July 26, 2017. "The pleasure I get out of the story is worth more to me than a direct flight to Tokyo". She continued tweeting updates after making it back to the airport lounge.
The Twitter rant began with Teigen explaining the situation, expressing frustration.
It may seem outrageous, but it is surprisingly common for planes to return to their point of origin midway through a flight, analysts said. So basically the boarding pass scanner is just a beedoop machine that makes beedoop noises that register to nowhere ... The total time for the flight to take off and return was just over eight hours. "150 people have been majorly inconvenienced, please, just tell me", she tweeted.