Originally Posted by jjgollum

I'm 1K and one of the stated benefits is that full fare economy tix (typiically enoted by Y and/or B) fares are entitled to complimentary upgrade, based upon availability.

For 1Ks, this clears 100 hours before the flight.

The question is whether this is for domestic only or also eligble for int'l itineraries.

Any one know the answer to this one?