noun
non-stop flight; direct flight
Refers to a flight that goes directly to the destination without intermediate stops. In Japanese, 直行便 often implies a non-stop service, though it can also be used for direct flights with no plane change.
東京からロンドンへの直行便は約12時間かかります。
The non-stop flight from Tokyo to London takes about 12 hours.
直行便がないので、一度乗り換えが必要です。
There is no direct flight, so you need to transfer once.
Often used for direct train or bus services; 直行便 is more common for flights.
Compound of 直行 (direct, non-stop) and 便 (service, flight). The reading ちょっこう is a regular on'yomi combination.