Who has the responsibility of carry on baggage?

The responsibility for carry-on baggage primarily lies with the passenger. Travelers must ensure their carry-on items comply with airline regulations regarding size, weight, and prohibited items. Additionally, passengers are responsible for keeping track of their belongings during the journey, including boarding and disembarking from the aircraft. Airlines may provide guidelines, but ultimately, the care and management of carry-on baggage rest with the individual traveler.