Cannot be compared. For ship transportation, scheduled liner refers to a ship that runs regularly, regularly and quantitatively. If not scheduled, ships will operate randomly. Liners operate according to a predetermined plan, such as the number of flights from point A to point B every day, week, or month, the number of ships per flight, when to depart and when to arrive, the regulations are specific, and the feature is to facilitate customers to arrange usage plans. Unscheduled transportation generally operates corresponding flights according to the increase in passenger volume and freight volume, and is characterized by strong flexibility. There is no comparison between scheduled liner shipping and irregular liner shipping, which one travels the most.