Not exact matches
If you already have a lot of travel booked and can't make the most of the
award availability that's around right now (and you're miles rich), then using miles
for upgrades may be a good
idea — especially on routes like Dallas — Hong Kong.
Buying miles to book SAAver
awards for flights on American Airlines is a bad
idea because you'll find that
availability is nearly impossible to find.
Using Iberia.com to search
for award availability is a better
idea in a few different cases.