[mpk176]

Jim, you are right. The standard for international flights is 10% of the current standard fare plus (as A320FAN mentioned) taxes. But, on a fully booked flight, the standard fare fluctuates to a high value. In our case, because we complained about this, US Airways was somehow able to drop the taxes and/or fees, but could not drop the fare to the rate when we purchased. Oddly, I would have thought only the opposite possible.

I got a call from a customer rep from US Airways last night. Apparently, their online purchasing works this way (where you select an in-lap infant but never book it) because of previous fraudulent activity. It sure would be nice if the system made this clear. Perhaps it comes down to a lack of incentive.