Carolann Manfredi, of Princeton, N.J., searches in 2007 for a bag she said had been missing for five days at the Philadelphia International Airport. The Department of Transportation is proposing a new rule this year requiring automatic refunds for delayed luggage. The major airlines, which charge checked-bag fees, are opposed. (Associated Press)

Carolann Manfredi, of Princeton, N.J., searches in 2007 for a bag she said had been missing for five days at the Philadelphia International Airport. The Department of Transportation is proposing a new rule this year requiring automatic refunds for delayed luggage. The major airlines, which charge checked-bag fees, are opposed. (Associated Press)