運行する

• Reading: うんこうする
• Romaji: unkou suru
• Kanji breakdown: 運 (un) — carry, operate; 行 (kō) — go, travel, carry out
• Pronunciation: /ɯɴ.koː.sɯ.ɾɯ/

Meaning

To operate; to run (a transportation service); to be in service.

Describes the scheduled operation of trains, buses, planes, or ships. Different from 運転する (to drive), as 運行 refers to the service operation rather than the physical act of driving. Used by transportation companies, in announcements, and news reports about transit services.

Examples

1. このバスは朝六時から夜十一時まで運行している。 This bus operates from 6 a.m. to 11 p.m.
2. 臨時列車が明日から運行される予定だ。 A special train is scheduled to begin service tomorrow.
3. 悪天候のため一部の便が運行を見合わせている。 Some flights are suspending operations due to bad weather.

Usage Guide

Context: transportation, announcements, news

Tone: informational

Origin & History

Compound of 運 (un, operate/carry) + 行 (kō, go/travel). Literally 'operate and go' — the running of a scheduled service along a route.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal