Q:

How big are airline seats?

A:

Quick Answer

The size of an airline seat varies depending on the plane model and its seating configuration. A coach seat on a commercial airline is 17 to 19 inches wide, on average. First-class seats are customarily 21 inches wide.

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Full Answer

These numbers are deceptive though, since they are based on the width of the seat cushion. In first class, the armrests are wider by 3 to 5 inches, making the seat feel roomier. The Airbus A330 has the smallest seats, measuring only 16.7 inches across. In contrast, the double-decker Airbus 380 boasts at least 19 inches of side-to-side space for every passenger.

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