The United Airlines Boeing 787-8 Dreamliner carries 243 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 30C, 30J, 44A, 47L, 48A. Another 31 seats are rated best or good. Look for 52 extra-legroom seats for the most room.
Seats rated avoid on this map are 38D, 38E, 38F, 39C, 39D, 39E. Another 24 seats are rated avoid. These are usually the back rows near the galley and lavatories, or middle seats with no window or aisle.