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Fleet breakdown

United Airlines 737 MAX 9 Business Class

CabinScore has measured 2 physically different business-class cabins that United Airlines flies on the 737 MAX 9 — rated 4.3 and 4.0 out of 10 — and booking sites sell every one of them as the same “Business” fare. Your route decides which one you board.

The Versions, Ranked2 versions · 5 tracked routes

01

United First (Z600 recliner)

51.8cm wide · no direct aisle access

4.3Lacking
United Airlines United First (Z600 recliner) cabin on the 737 MAX 9

United's newer Boeing 737 MAX 9 First seat is a recliner with winged headrests and a curved divider between neighbors. The paired layout means window passengers must pass their seatmate to reach the aisle.

Spot it

  • Curved privacy divider between each seat pair
  • Wireless-charging compartment built into the center armrest
  • Hard-backed seats with winged headrests
02

United First (cradle recliner)

50.8cm wide · no direct aisle access

4.0Lacking
United Airlines United First (cradle recliner) cabin on the 737 MAX 9

United First in the earlier Boeing 737 MAX 9 cabin uses cradle-style reclining seats in pairs. Window passengers must pass their neighbor to reach the aisle, and the seat does not form a flat bed.

Spot it

  • Articulating recliner with a broad shared center armrest
  • No tall curved privacy divider or wireless-charging compartment

Route shares are the share of United Airlines's observed flying on a tracked route that is this cabin, resolved from flight history to individual registrations. They describe the routes we track, not United Airlines's whole 737 MAX 9 fleet — a version we haven't measured would not appear here at all.

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