Originally Posted by
cova
An Alliance usually implies Code Shares - but CO does not code share with many people - just barely with DL and NW domestically, and Virgin internationally. What else?
DL for example codes shares with KE, AF etc on major international routes and of course NW and KL do - they provide website booking for each other.
EVA (BR) operates some of their flights to/from TPE (LAX, SFO, SEA) as a CO codeshare.