thanks for making me check. USAir to Belize, we pay.
here is USAir's policy:
US Airways charges a $15 fee for your first checked bags. If you purchased a ticket before July 9, 2008, the first bag fee wonít apply. We also now charge $25 for all second checked bags. The checked bag policies apply to all flights to and from Canada, Latin America and the Caribbean, as well as flights within the U.S.
The following passengers are exempt** from the first and second checked bag fee, but not any applicable weight fees:
* All Dividend Miles Preferred members (Silver, Gold, Platinum and Chairmanís Preferred)
* Passengers traveling to and from Europe, or to and from Asia
* Star Alliance Silver and Gold status members
* Unaccompanied minors (with US Airways unaccompanied minor paid assistance)
* Confirmed First Class and Envoy passengers at time of check-in
* Active U.S. military personnel with ID (first through third bag up to 100 lbs/45 kg each free of charge)