Originally Posted by Mwenenzi

Vietnam Airlines ffp is partners with these http://www.vietnamairlines.com/en/fr...-with-airlines
Presumably those airline ffp have reciprocal earning on VN flights
Delta miles have no expiry, but its not the best ffp. (sky pesos)

Or just forget about earning miles for those short flights

AS is a good ffp, due to the many partners
http://www.flyertalk.com/forum/infor...help-here.html