Asiana Retires Last Passenger Boeing 767-300 from World's Busiest RouteAsiana Airlines has retired its final passenger Boeing 767-300, marking an end for the classic widebody on the world's busiest route, Seoul to Jeju.Mar 22, 2026•5 min•Asiana AirlinesBoeing 767Fleet RetirementKorean AirGMP-CJUAirlines