FlyerTalk Forums - View Single Post - Does upgrade instrument (miles or certs) make a diff?

Aug 15, 2009 | 10:29 pm

#3

pnoeric

In memoriam

Join Date: Feb 2004

Posts: 692

Quote:

Originally Posted by anc-ord772

15k can clear anytime, e500s only within the window.

Ahaaaaa. Thanks.

So maybe I need some advice. I have enough certs to use for only one side of my upcoming travel (LAX-ORD-EWR outbound, then JFK-LAX returning home); I'm using 15k miles for the other. How can I tell which leg is better to apply miles towards, vs certs?