= US Airways changes standby, frequent flyer rules = = Friday September 6, 11:50 AM EDT = NEW YORK, Sept 6 (Reuters) - US Airways Group Inc. (UAWGQ) said on Friday= it would allow customers with nonrefundable tickets to stand by for othe= r flights for a $100 fee, matching the policy of rival American Airlines,= the AMR Corp. (AMR) subsidiary. Previously, US Airways, did not let customers with nonrefundable tickets,= which are generally cheaper and do not allow for travel flexibility, fly= standby. Customers with refundable tickets can fly standby without payin= g additional charges. US Airways, the No. 6 U.S. airline, also said customers with nonrefundabl= e tickets will be able to count miles flown with those tickets towards pr= emium levels in their frequent flyer accounts. The airline had canceled t= hat practice, drawing criticism from business travelers. = =A92002 Reuters Limited. = Roger EWROPS