Era used the two letter "AS" airline code for its flight numbers on these services for Alaska Airlines.

This is a list of airline codes.

Tianjin Airlines serves the following destinations (as of January 2013) under its own airline code and branding:

Initially the two airlines used separate airline codes.

The site also lists airline codes and gives detailed data on aircraft models and types.

And airline codes had changed to Thai Airways International's airline codes on end of 1988.

The codeshare agreements allowed the larger carriers to place their airline codes on Big Sky flights, but not vice versa.

Codesharing is the most common type of airline partnership; it involves one airline selling tickets for another airline's flights under its own airline code.

As airline code for its flight numbers, DH was used.

If the goods are to be exported by air input the onward carrier's airline code, if known.