Codeshare co-operations between airlines are reflected in the schedules with different Data Element Identifiers (DEI). The operating carrier labels its own operating flight wanted to be offered for a certain partner with a DEI 010 identifying the respective marketing flight. The codeshare partner has to build the according marketing flight as a kind of mirror image using the Data Element Identifier 050.
Example:
Tags: Codesharecodeshare managementschedule managementschedule data exchangeout-of-syncairline alliancesSchedConnectLufthansa Systems Blog
