New York — Industry pros always figured Southwest Airlines paid less to global distribution system providers like Sabre than other big airlines. Now they know how much.

Southwest's 2010 per-segment fee to Sabre at U.S. points of sale was $1.35, according to testimony in the US Airways v. Sabre trial here. Segment fees that year were $2.09 for American Airlines and $3.13 for United Airlines. As of 2013, they were $2.11 for AA and $3.14 for United. Delta . . .

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