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A comment on To fix L.A.'s traffic, we need tolls. Parent comment

Re:To fix L.A.'s traffic, we need tolls by DrScump on Tuesday March 07, 2017 @06:02PM (#13816017)
You can add capacity without adding flights by using larger planes. Airlines use the smallest plane they can for a route to minimize cost.
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Re:To fix L.A.'s traffic, we need tolls by martinald on Tuesday March 07, 2017 @06:25PM (#13816243)
Not really. Firstly, planes need to be spaced after takeoff more if they are larger (eg a A380 will require more spacing than a 747). This cuts the capacity gain somewhat.

Secondly, not all gates can take larger aircraft.

Thirdly, larger aircraft take a lot more time to turn around than smaller ones (fewer doors per passenger). Which means your gates are tied up for longer.

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