(CNN) — Southwest Airlines, primarily a domestic airline throughout its over 50-year history, is looking at expanding to overseas markets, a further sign that the once-distinctive Texas airline is following the path of rival carriers.

“Southwest Airlines is continuing to consider ways to grow our business as we evolve to meet the needs of our current and future customers,” Southwest said a statement to CNN. “One of the things we are exploring is the potential to expand our network to new international destinations on our Boeing 737 aircraft.”

Southwest currently flies to a handful of international locations in the Caribbean, but had not expanded beyond those routes.

Southwest had been a low-cost carrier for most of its history, with relatively uncommon features like offering only one c

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