Why do two Boeing 737-400 seat maps look so different?

The same airframe is fitted out very differently by each airline: cabin classes, seat pitch and width, and the number of rows all vary. That is exactly what this comparison table is for.

How accurate are these seat maps?

Every map is drawn to scale from the airline's own configuration and verified against seat pitch, width, and cabin data. Each row shows when it was last verified.

Aircraft

Boeing 737-400 seat maps

See how every airline fits out the Boeing 737-400, across 2 airlines: seat counts, cabin split, entertainment, and Wi-Fi, each drawn to scale.

3 configurations2 airlines

Last verified October 14, 2026

Every Boeing 737-400 on SeatInfo

Sort by any column, then open a map for its full to-scale seat map.

	Variant		Seat classes	Wi-Fi
Air North	Boeing 737-48E	156	156Y	Not listed	2026-10-14	See in detail
Canadian North	Boeing 737-400	156	156Y	Not listed	2026-10-14	See in detail
Canadian North	Boeing 737-400 Combi	78	78Y	Not listed	2026-10-14	See in detail

Compare other aircraft

Line up every airline's cabin for another model.

Airbus A320

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Airbus A320neo

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Boeing 787-9

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Boeing 777-300ER

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Airbus A321

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FAQ

Boeing 737-400, common questions

How we build and verify Boeing 737-400 seat maps.

This page lists every Boeing 737-400 configuration published on SeatInfo, 2 airlines so far. Open any map for its full to-scale seat map.

Keep exploring

More ways to browse seat maps

All seat maps

Every aircraft we have mapped, drawn to scale, in one searchable grid.

By airline

Pick an airline and see every aircraft it flies that we have mapped.

By manufacturer

See every mapped model from Airbus, Boeing, and the rest.

Compare cabins

Put up to four cabins side by side and read the differences in one table.

Seat-map glossary

What every colour, symbol, and term on a seat map means.

Wi-Fi and entertainment

How Wi-Fi and screens are graded, aircraft by aircraft.