運航

1. Origins, structure, and basic meaning

• Structure: 運航 (うんこう) denotes the scheduled operation or service of a ship or aircraft.
• Basic usage: 船が朝夕に運航する states a regular service; 船の運航予定 names planned operating times.

2. Common pitfalls and similar expressions

• Operating service and schedule
  • The verb predicates actual recurring operation, while 運航予定 refers to a plan that may not yet have run.