It seems like every airline has a different way of boarding a plane. But which way works best? Astrophysicist Jason Steffen has spent his career trying to crack the deepest mysteries of the universe, and 15 years ago he discovered and published what he says is the optimal boarding strategy. So why aren’t all commercial airlines using it? On the Science of Success, WSJ’s Ben Cohen looks at what goes into planning the most efficient boarding process and what airlines are doing to help customers have a smooth entry to their flights. 

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Further reading:

The Astrophysicist Who Has a Better Way to Board Airplanes 

Southwest Airlines Is Ditching Open Seating on Flights 

Southwest Fans Wonder if the Airline Has Changed Forever 

It Can’t Be This Hard to Board a Plane 

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