US Airways flies between: Buffalo - New York, Calgary - Phoenix, Edmonton - Phoenix, Vancouver - Phoenix, Los Angeles - Sydney, Buffalo - Boston, Melbourne - Sydney, Buffalo - Chicago, Toronto - Philadelphia, Sydney - Los Angeles, San Francisco - Sydney, Phoenix - Calgary, Tokyo - New York, Phoenix - Cancun, Phoenix - Edmonton, Chicago - New York, Sydney - San Francisco, Seattle - Los Angeles, Beijing - Chicago, Beijing - New York, as well as several other routes.
US Airways charges some passengers for their first checked bag. If you are flying US airways within Canada, the US, Latin America (including Mexico) and the Caribbean, you will be charged $25 for your first checked bag and $35 for a second checked bag. For all other destinations your first checked bag will be free. Make sure to pack light as bags over 50 pounds will incur a minimum overweight charge of $90 USD. US Airways also allows all passengers to carry-on one bag as well as one personal item.