noun
riding time; travel time aboard a vehicle
Refers to the duration spent riding a vehicle such as a bus, train, or taxi. Often used in schedules, travel planning, and fare calculations.
東京から大阪までの乗車時間は約2時間半です。
The riding time from Tokyo to Osaka is about two and a half hours.
乗車時間が長いので、本を持っていくつもりです。
Since the travel time is long, I plan to bring a book.
Compound of 乗車 (じょうしゃ, 'boarding a vehicle') and 時間 (じかん, 'time').