The company, which will operate under the name United Airlines, will replace Delta Air lines as the world's the top carrier.

合并后的公司将采用联合航空公司的名称；它将取代达美航空公司，成为世界最大的航空公司。

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Earlier this month, Delta's shares soared on a rumored union with Chicago-based United Air Lines.

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's American Airlines and United Air Lines offer a combined 84 nonstop passenger flights to China per week.

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Marwan al-Shehhi is thought to have piloted United Air Lines Flight 175 into the World Trade Center's south tower.

CNN: Uncle calls hijack suspect 'innocent passenger'