January 25, 2012
A Delta Airlines plane taxis past a gate at Logan Airport in Boston Tuesday, Jan. 24, 2012. Delta Air Lines said Wednesday, Jan. 25, 2012, it earned $425 million in the fourth-quarter as it raised prices in the critical holiday season and the airline reduced flying to keep costs low. (AP Photo/Charles Krupa)
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Delta Air Lines' fourth-quarter net income rose sharply, as higher fares offset a bigger fuel bill.Like other carriers, Delta was able to raises fares by cutting the amount of flying it did at the end of last year. The money it made flying a passenger a single mile rose 12 percent.