(7) Preferred Airlines AC by necessity, other A or B are fine
Originally Posted by
Fullface
It's cheap fares in eco. If i was flying first i wouldn't really be looking at optimising my FF program.
Preferred airlines. Does it include out-of-alliance to compare, or in-alliance i already flew with ? Is it out of practicity or comfort ? ("i flew x and i liked it" ?).
What does
AC,
A &
B mean?

Some airlines can have out of alliance ff partners.