Originally Posted by
dml105
I will be flying IAD-NRT-TPE in a few weeks, and am somewhat of a United novice. My ticket is full-fare coach, but on such a long flight, I'd prefer to be in business class. What kinds of options do I have? ...
You may be given an option to buy an upgrade at check-in time See
http://www.flyertalk.com/forum/unite...on-thread.html
Other options would be UA miles+copay or UA SWUs (go to Coupon Connection)
Star Alliance Upgrade -- see later
Originally Posted by
dml105
.... Are there complimentary space available upgrades? ..
not on international flights
Originally Posted by
dml105
...I have over 200k US Airways miles, and I wouldn't mind using some of them if necessary. ...
possible, but make sure it is not booked as a codeshare -- you want an UA operated flight booked as a UA flight number. then see in US Air site
Get your Star Alliance® Upgrade Awards. Will take 30K miles each way.
Originally Posted by
dml105
It's a B class fare.
Thanks for the info. This system is WAY more complex than US Airways' system.

It is the same across *A including US for upgrading flights when using miles from a different airline program.