FILE - In this Tuesday, March 24, 2015, file photo, a traveler walks past a sign advertising a Delta credit card at Seattle-Tacoma International Airport in SeaTac, Wash. Checked-bag fees and restrictions on budget fares have increased the costs and hassles for airline travelers with luggage. But an airline credit card can eliminate the expense of checking a bag and some of the limits on no-frills fares. (AP Photo/Elaine Thompson, File)
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