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Southwest says May passenger traffic rose 8.5 percent

Southwest Airlines said passenger traffic increased 8.5 percent in May as the carrier grew its capacity by 7.6 percent.

The Dallas-based carrier continues to add flights to Dallas Love Field after the expiration of the Wright Amendment restrictions.

“We continue to be pleased with the performance of our markets under development, which represents approximately twenty percent of our network,” said Southwest chief executive Gary Kelly in a statement. “Dallas Love Field, in particular, continues to exceed our expectations, including the additional markets added in April 2015.”

Southwest said its load factor also rose 0.7 percentage points to 84.4 percent in May. It also estimates that its unit revenues will drop four to five percent in the second quarter.