code-sharing: meaning, definition, pronunciation and examples
C1formal, technical, business
Quick answer
What does “code-sharing” mean?
an agreement between two or more airlines to share the same flight under a single flight number, allowing them to sell seats on each other's flights as if they were their own.
Audio
Pronunciation
Definition
Meaning and Definition
an agreement between two or more airlines to share the same flight under a single flight number, allowing them to sell seats on each other's flights as if they were their own.
The practice of allowing multiple parties to use or access the same proprietary source code, software, or technological system under a licensing agreement; more broadly, any collaborative arrangement where resources, protocols, or systems are jointly used under a common framework.
Dialectal Variation
British vs American Usage
Differences
No significant difference in core meaning. Spelling consistently hyphenated. In business contexts, both varieties use the term identically.
Connotations
Neutral-to-positive connotation of efficiency and partnership in aviation; can have neutral or cautious connotations in tech (implying legal safeguards are in place).
Frequency
More frequent in professional aviation, airline business, and software development contexts. Rare in everyday conversation.
Grammar
How to Use “code-sharing” in a Sentence
[Airline X] has a code-sharing agreement with [Airline Y].[The two companies] are code-sharing on the [London-New York] route.The alliance facilitates code-sharing among its members.Vocabulary
Collocations
Examples
Examples of “code-sharing” in a Sentence
verb
British English
- The two carriers are seeking to code-share on transatlantic routes.
- They have been code-sharing for years.
American English
- The airlines plan to code-share to feed passengers into each other's hubs.
- The agreement allows them to code-share extensively.
adjective
British English
- The code-sharing arrangement simplifies bookings.
- They offer code-sharing flights to Asia.
American English
- We took a code-sharing flight marketed by Delta.
- Check the code-sharing details on your ticket.
Usage
Meaning in Context
Business
Crucial in airline and tech industries to describe key commercial strategies for expanding market reach and resource efficiency.
Academic
Used in papers on transport economics, industrial organization, and open-source software governance.
Everyday
Very rare. A traveller might encounter it when booking a flight operated by one airline but sold by another.
Technical
Precise term in aviation logistics and software licensing.
Vocabulary
Synonyms of “code-sharing”
Strong
Neutral
Weak
Vocabulary
Antonyms of “code-sharing”
Watch out
Common Mistakes When Using “code-sharing”
- Using 'code-sharing' to describe casual sharing of code snippets online (use 'code snippet sharing').
- Omitting the hyphen.
- Using it as a verb without context ('They code-share' is jargonistic; prefer 'they have a code-sharing agreement').
FAQ
Frequently Asked Questions
Yes, that is the passenger's experience. A code-sharing flight is sold by one airline (the marketing carrier) but physically flown by another (the operating carrier).
Yes, by analogy, especially in technology and business. It can refer to shared access to software code or proprietary systems under a formal agreement, but the primary and most precise usage remains in aviation.
It allows airlines to expand their advertised route networks without the cost of operating additional flights themselves, providing seamless connections for passengers and increasing sales.
No. Your ticket will show the flight number of the marketing airline you booked with. The operating airline's details are also listed, and you check in with the operating airline.
an agreement between two or more airlines to share the same flight under a single flight number, allowing them to sell seats on each other's flights as if they were their own.
Code-sharing is usually formal, technical, business in register.
Code-sharing: in British English it is pronounced /ˈkəʊd ˌʃeər.ɪŋ/, and in American English it is pronounced /ˈkoʊd ˌʃer.ɪŋ/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine two airlines SHARING a secret CODE (flight number) to run a single plane together.
Conceptual Metaphor
COMMERCIAL COOPERATION IS SHARING A LANGUAGE/CODE.
Practice
Quiz
In which industry is the term 'code-sharing' most precisely and originally defined?