I do not like them at all, and had very bad experience almost every time. They outsource the help 800 # the Phillipines and realy stupid, uneducated .....
On rare occassions like at 11:00 pm exactly, if you call the # at the top of the website you may get lucky and get an USA person.
Try this website:
https://www.usairwaysmastercard.com/
Lots a luck.