American tested the idea in seven cities earlier this year and found getting people without overhead bin luggage on early sped up boarding time and improved on-time arrival performance.

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Passengers would have to show up on time and have their boarding passes ready.

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Partially because of its boarding practices, US Airways has been a leader in on-time performance in recent years.

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He found that the most efficient boarding method is to board alternate rows at a time, beginning with the window seats on one side, then the other, minimizing aisle interference.

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