Which two major U.S. airline brands merged in 2013 to create the world's largest airline at that time, combining their distinctive liveries into a new visual identity?

The transportation industry has witnessed numerous strategic mergers and acquisitions that have reshaped the competitive landscape. These corporate maneuvers often combine complementary strengths, expand market reach, or strategically position brands against emerging competitors. Test your knowledge about one of the most significant airline mergers in recent history that dramatically changed the air travel industry and created one of the world's largest carriers.

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American Airlines and US Airways
Delta and Northwest Airlines
United Airlines and Continental Airlines
Southwest Airlines and AirTran Airways