Originally Posted by
MSPeconomist
Are you sure that the 72 hour rule applies to "up faring" award tickets into FC? I would think that DL would like to take extra miles for flights where FC is lightly booked close to the travel date. There might even be grounds to waive the change fee.
I also doubt it. Certainly wouldn't risk it unless I was unable to find seats in F until then. May as well give it a shot..have nothing to lose with confirmed Y.
Foo