Cabin crew intervened, trying to restrain the passenger. Then the man in the wrong seat attempted to hit back. He was stopped by a third cabin crew member who put herself between the two fighting passengers.
“[I was] so afraid that the stewardess will be punched,” said Alex Pierce, who shared the clip to social media.
Loud screams can be heard in the video from other passengers, and several get to their feet in confusion.
The bystander to the fight on Flight BR08 praised the bravery of the stewardess in breaking up the fight.
The two men were handed over to US law enforcement on arrival in California.
Eva Air said that it has a zero-tolerance policy towards unruly passengers and praised the crew for their quick intervention.
The Straits Times reported that flight staff received medical checks after trading blows with the passengers, and the airline said they would be rewarded for their brave conduct.