Southwest Airlines flight 5929 had to divert and make an emergency landing at Kansas City International airport, Missouri, on November 22.
The plane was heading from Indianapolis to Los Angeles when the crew reported suspicious and unruly behavior of three passengers and requested an emergency landing.
The plane landed uneventfully.
The disruptive trio were taken for questioning while K-9 police dogs thoroughly searched the aircraft.
Authorities said the search teams found nothing unusual and the flight resumed after a while. The three passengers were also booked on a later flight.
Scandinavian Airlines flight SK-128 made an emergency landing in Stockholm, Sweden, on October 17th.
Aerolineas Argentinas flight AR-1132 had to return and make an emergency landing in Buenos Aires, Argentina, on October 26th.
LOT Polish Airlines flight LO-781 made an emergency landing in Warsaw, Poland, on June 20th.
