Premise: Delta Air Lines , Inc. ( `` Delta '' ; ) is a major American airline , with its headquarters and largest hub at Hartsfield -- Jackson Atlanta International Airport in Atlanta , Georgia . One of the five remaining legacy carriers , Delta is the sixth-oldest operating airline by foundation date , and the oldest airline still operating in the United States . In 2013 , Delta Air Lines was the world 's largest airline in terms of scheduled passengers carried ( 120.6 million ) , and the second-largest in terms of both revenue passenger-kilometers flown ( 277.6 billion ) and capacity ( 4.4 billion ASM/week ; March 2013 ) .
Hypothesis: Delta Air Lines is a house.
Label: CONTRADICTION