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We hold 3 airline configurations of the Boeing 737 MAX 9, compared side by side below. Seat counts range from 179 to 221 depending on the carrier's cabin mix, so the same Boeing 737 MAX 9 can carry very different passenger loads. Across these layouts you'll find 4 distinct cabin classes.
Configurations from our seat-map directory, checked April 20, 2026. Open any row for the full per-airline seat map.
Looking for the best seats on the Boeing 737 MAX 9? See the verified picks by airline →
| Airline | Total seats | Cabins | Classes |
|---|---|---|---|
| Lion Air | 221 | 1 | Economy Class |
| United Airlines | 179 | 3 | First, Economy Plus, Economy |
| Copa Airlines | — | — | — |