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The United Airlines Boeing 777-300ER seats 350 passengers across 4 cabins. Every row below is rated on legroom, location and distance from galleys and lavatories.
Verified by John McKeanLast verified 3 July 2026Cross-referenced
Power · Wi-Fi · USB · Screen
Power · Wi-Fi · USB · Screen
Power · Wi-Fi · USB · Screen
Power · Wi-Fi · USB · Screen
Avoid 42A, 42B, 42C, 42J, 42K, 42L, 43A, 43B, 43C, 43D, 43G, 43J, 43K, 43L, 56A, 56B, 56K, 56L, 57A, 57B, 57D, 57G, 57K, 57L, 58D, 58E, 58F, 58G (Immediately adjacent to lavatory (behind)…); 42D, 42G, 43E, 43F, 56D, 56G, 57E, 57F (Near lavatory (behind) — some queuing traffic…); 45B, 45C, 45J, 45K (Tray table and video screen in armrest — no…); 47E, 47F (Near bassinet position (ahead) — potential noise…)
The United Airlines Boeing 777-300ER carries 350 passengers across Polaris Business + Premium Plus + 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 1A, 1L, 2A, 2L, 3A, 3L. Another 144 seats are rated best or good. Look for 78 extra-legroom seats for the most room.
Seats rated avoid on this map are 42A, 42B, 42C, 42D, 42G, 42J. Another 36 seats are rated avoid. These are usually the back rows near the galley and lavatories, or middle seats with no window or aisle.
United's business class — a one-two-one lie-flat with direct aisle access at every seat. The window seats are the most private; the centre pair suits couples.
Premium Plus is a separate premium economy cabin in a two-four-two, with a wider seat and footrest. Economy Plus is standard Economy with extra legroom, near the front.
The back rows of Economy by the galleys, and the middle seats of the centre four. The exit rows and Economy Plus give the most room.
60Polaris Business24Premium Plus60Economy Plus206Economy350Total