noun
code-sharing; codesharing
Aviation term for an arrangement where airlines share the same flight under different flight numbers.
See also: コードシェア
この路線はA航空とB航空のコードシェアリング便です。
This route is a code-sharing flight between Airline A and Airline B.
Variant with interpunct; less common but still seen.
Abbreviation of コードシェアリング; used more casually in the same aviation context.
Borrowed from English 'code-sharing'.