As U.S. Market Nears Ceiling, Southwest Goes Abroad for Growth

  • Daily departures to Caribbean, Latin America start next week
  • It gets `trickier' to leave your comfort zone, analyst warns

New Terminal at Hobby Airport. Source: Southwest Airlines

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Since its start in 1971, Southwest Airlines Co. has stuck to its knitting, emphasizing discounts, short U.S.-only flights and cattle-call boarding. The strategy worked: It’s been profitable for 42 straight years.

So why mess with success?