Why do we always board on the left side of the plane?

Why do passengers almost always board airplanes from the left side? It’s a travel habit so common that most of us never stop to question it. In this video, we explore the surprising historical and practical reasons behind one of aviation’s most consistent traditions. Why Do We Always Board Airplanes from the Left Side? | Simple Things Surprising Histories This documentary-style episode from Simple Things Surprising Histories traces the story from ancient sailing ships to modern airports, revealing how maritime traditions helped shape the way we board aircraft today. Topics covered in this video: • Why passengers usually board from the left side of an airplane • The origin of the terms port and starboard • How ancient ships were steered using steering oars • The historical connection between ships and airplanes • Why aviation adopted many maritime traditions • How airport ground operations influence boarding procedures • The role of pilots and gate alignment in modern boarding • Why left-side boarding became the global standard Chapters: 00:00 - Intro: The Invisible Rule 00:57 - Chapter 1: The Echo of the Oceans 02:05 - Chapter 2: From Sea to Sky 02:53 - Chapter 3: The Dance of the Ground Crew 03:48 - Outro : A Tradition in Plain Sight #Aviation #Airplanes #Flying #AviationHistory #AirportFacts #TravelFacts #PortAndStarboard #EducationalDocumentary #ScienceExplained #SimpleThings #SimpleThingsSurprisingHistories