That was fine when the weather was good and all passengers were agile, and is still how it’s done at many small airports and for flights at larger airports that arrive and depart on smaller jets.
But sometime in the late 1950s, moveable, enclosed metal walkways offering a sheltered pathway between terminals and airplanes began sprouting up at U.S. airports..."
The article features photos of SFO's first jetbridge and more.
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