noun
outward voyage; outbound flight
Refers to the journey from a starting point to a destination, as opposed to the return trip (復航). Used for ships and aircraft.
往航は順調だったが、復航は嵐に遭った。
The outward voyage was smooth, but the return trip ran into a storm.
往航の便は午前中に出発します。
The outbound flight departs in the morning.