Delta is also investing in other airports around New York, a key market for lucrative business travel.

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It'll also have to contend with American Express (nyse: AXP - news - people ) for business travel and entertainment and the higher-end market.

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Business travel, which was the force behind the boom in airline fortunes during the last bull market, is showing no signs of returning in any size.

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The impoverished central African country also made its debut at the World Travel Market in London in September this year, signaling to the world that it means business when it comes to boosting tourism revenue.

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