According to reports published on Dec. 17 by several South Korean newspapers including The Chosun Daily and JoongAng IlboVietnamese airport security intervened after the woman alerted cabin crew to the alleged behavior shortly before departure on Dec. 14.
A passenger on board said the incident occurred at around 12:05 a.m.
Initially, nearby passengers believed the woman was traveling with the man. However, her distressed appearance prompted concern.
As the aircraft prepared for takeoff, security personnel and flight attendants instructed the man to leave his seat and escorted him off the plane.
The incident caused a delay of more than an hour.
According to flight-tracking data from Airportal, the flight was scheduled to arrive at Gimhae International Airport in Busan at 6:55 a.m. but did not land until around 8:20 a.m.
Videos showing the passenger being removed from his seat circulated widely on social media, drawing attention from Vietnamese and South Korean users.
Another video, filmed after he left the aircraft with his carry-on luggage, shows the man kneeling on the ground, appearing panicked, clasping his hands, and speaking with ground staff.
On South Korean online forums, netizens expressed disappointment over the conduct of the South Korean man while praising the response of the Vietnamese flight crew and airport security.
A video shared on social media shows a South Korean tourist being asked to leave the plane from Ho Chi Minh City to Busan for his alleged harassment on Dec. 14, 2025. Video by Sanghau8386
Many commenters said the crew appeared to follow proper procedures, while others suggested clearer guidance on appropriate conduct for international air travelers.
Disruptive passenger incidents are not uncommon in commercial aviation and often require intervention to ensure safety.
In February, a Singapore Airlines flight from Singapore to Shanghai was delayed after a couple allegedly assaulted and verbally abused a flight attendant and were removed before takeoff.
On Nov. 4, the Daily Mail reported that a woman was removed from an HK Express flight from Da Nang to Hong Kong after repeatedly shouting and demanding to sit next to her boyfriend.
In Vietnam, civil aviation regulations allow airlines and authorities to remove passengers who violate onboard rules. Such individuals may face administrative fines, temporary bans from air travel lasting between three and 12 months, or criminal prosecution in serious cases.
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