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The United Airlines Boeing 737 MAX 9 seats 179 passengers across 3 cabins. Every row below is rated on legroom, location and distance from galleys and lavatories.
Verified by John McKeanLast verified 19 July 2026Cross-referenced
Power · Wi-Fi · USB · Screen
Power · Wi-Fi · USB · Screen
Power · Wi-Fi · USB · Screen
The United Airlines Boeing 737 MAX 9 carries 179 passengers across United First + Economy Plus + Economy. Power and Wi-Fi are available on this aircraft. Every seat is rated below, so you can see which have the legroom, the window alignment and the quiet — and which sit next to a galley or lavatory.
The seats rated best on this map are 1B, 15A, 15B, 15E, 15F, 20A. Another 71 seats are rated best or good. Look for exit rows 20, 21 and 57 extra-legroom seats for the most room.
Seats rated avoid on this map are 37A, 37B, 37C, 37D, 37E, 37F. Another 12 seats are rated avoid. These are usually the back rows near the galley and lavatories, or middle seats with no window or aisle.
Yes, noticeably so. The LEAP-1B engines on the MAX 9 are quieter than those on the older 737 NG variants, which makes a difference on sectors over two hours.
United does offer gate upgrades when seats are available, including through MileagePlus upgrades and PlusPoints. Availability depends on the route and how full the First cabin is — popular routes on the morning bank sell out early.
Exit rows require passengers to be able-bodied and willing to assist in an emergency — crew will ask you to confirm this. In exchange you get meaningfully more legroom. The seat may not recline, so factor that in on longer flights.
20United First45Economy Plus114Economy179Total