Why aren’t airplane aisles wider?

score:15

Accepted answer

It's money. The more chairs you can stuff on a plane, the more people you can get to pay for them. If the aisle were to be wider, you might lose one or more seats and that means you have less possible passengers.

This has probably been calculated over and over by airline people to get the maximum yield. Rules and regulations had to be established by governments to prevent airlines from making ridiculous seating arrangements (i.e. add more rows by reducing leg room).

It's not a flaw, but a feature.

Upvote:11

People use the aisle for maybe 5 minutes per flight, but they sit in their seat for 3 hours. Would you rather the width be used in the seat or the aisle?

This is illustrated by the fact that the first class cabin typically has essentially the same aisle width. The extra space gained from two fewer passengers goes into the seats.

AA 737-800 interior Photo Credit: Cory W. Watts.

You can also see this in the case of the A320 which is 7 inches wider internally than the 737. Some airlines have used that for an extra inch per seat, and some have a 7 inch wider aisle. (One consideration is so they can use similar seats on both types.)

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