United Airlines 777-300ER seat map

350 seats in 4 cabins: United Polaris business class 60, United Premium Plus 24, United Economy Plus 62, United Economy 204.

Source: Seat Map - Boeing 777-300ER | United Airlines · checked November 11, 2026

  • More legroom by layout
  • Bulkhead
  • Last row of the cabin
  • Next to a lavatory or galley

Tap a seat to see what the layout says about it.

Front

United Polaris business class60 seats · 1-2-1 across
ExitLavatory ×2GalleyClosetGalleyExit
Galley
ExitGalleyExit
Lavatory (accessible)Lavatory
United Premium Plus24 seats · 2-4-2 across
United Economy Plus62 seats · 3-4-3 across
ExitLavatory ×2Exit
ExitGalleyExit
United Economy204 seats · 3-4-3 across
LavatoryGalleyLavatory
ExitLavatoryGalleyLavatoryExit

Rear

Seats to know

More legroom by layout
Exit rows, and seats with no seat in the row ahead.
Bulkhead rows
A wall, a door or a facility sits ahead of the row.
Last row of a cabin
Nothing behind the seat but the cabin wall or the next cabin.
Next to a lavatory or galley
A lavatory or galley sits right in front of or behind the row, on that side.

United Polaris business class

More legroom by layout2 seats
  • Row 8
Bulkhead rows10 seats
  • Row 1
  • Row 7
  • Row 9
Last row of a cabin4 seats
  • Row 18
Next to a lavatory or galley11 seats
  • Row 1
  • Row 6
  • Row 8
  • Row 9

United Premium Plus

Bulkhead rows8 seats
  • Row 20
Last row of a cabin8 seats
  • Row 22
Next to a lavatory or galley4 seats
  • Row 22

United Economy Plus

More legroom by layout20 seats
  • Row 30
  • Row 45
  • Row 46
Bulkhead rows16 seats
  • Row 30
  • Row 45
Last row of a cabin4 seats
  • Row 46
Next to a lavatory or galley10 seats
  • Row 30
  • Row 45

United Economy

Last row of a cabin4 seats
  • Row 58
Next to a lavatory or galley14 seats
  • Row 43
  • Row 58

Cabins and seats

Cabins of the United Airlines 777-300ER
CabinProductSeatsAbreastSeat typePitchWidthBed length
BusinessUnited Polaris business class601-2-1lie-flat suitenot published22 in78 in
Premium economyUnited Premium Plus242-4-2recliner38 in18.5 innot published
Economy plusUnited Economy Plus623-4-3recliner34 in17.05 innot published
EconomyUnited Economy2043-4-3recliner31 in17.05 innot published

United Airlines’ Boeing 777-300ER has 350 seats: 60 business in 1-2-1, 24 premium economy in 2-4-2, 62 economy plus in 3-4-3, and 204 economy in 3-4-3.

United Airlines Boeing 777-300ER rows

Economy has 204 seats in 3-4-3, while premium economy has 24 seats in 2-4-2. Across this 350-seat layout, 18 seats are in exit rows and 4 have nothing in front. The exit rows are 8, 30 and 45; row 46 also has 4 seats with nothing in front.

Bulkhead rows are 1, 7 and 9 in business, 20 in premium economy, and 30 and 45 in economy plus. The last rows are 18 in business, 22 in premium economy, 46 in economy plus and 58 in economy. Rows with seats next to a galley or lavatory are 1, 6, 8 and 9 in business; 22 in premium economy; 30 and 45 in economy plus; and 43 and 58 in economy. United Airlines marks fixed bassinets at 9A, 9L; 20E, 20F; 30E, 30F; and 46E, 46F.

United Airlines Boeing 777-300ER cabin figures

United Polaris business class has 60 lie-flat suite seats, 22-inch width and 78-inch bed length; pitch is not published. United Premium Plus has 24 recliners with 38-inch pitch and 18.5-inch width. United Economy Plus has 62 recliners with 34-inch pitch and 17.05-inch width; United Economy has 204 recliners with 31-inch pitch and 17.05-inch width.

Using the four Boeing 777-300ER cabins

Open economy plus first to compare its 16 exit-row seats and 4 seats with nothing in front, then switch to economy for its 204-seat 3-4-3 layout. Business and premium economy each have distinct abreast layouts, 1-2-1 and 2-4-2.

Questions

How does the United Airlines Boeing 777-300ER seat total split by cabin?

This United Airlines Boeing 777-300ER layout has 350 seats across four cabins: 60 business, 24 premium economy, 62 economy plus and 204 economy. Economy is the biggest cabin by seat count.

What pitch and width does United Airlines publish for Boeing 777-300ER cabins?

For the United Airlines Boeing 777-300ER, premium economy publishes 38-inch pitch and 18.5-inch width. Economy plus lists 34-inch pitch, while economy lists 31-inch pitch; both have 17.05-inch width.

Which United Airlines Boeing 777-300ER seats have nothing in front?

On the United Airlines Boeing 777-300ER, 4 economy plus seats in row 46 have nothing in front. Row 46 is separate from the exit rows, which are 30 and 45 in economy plus and 8 in business.

Layouts change: airlines swap aircraft and refit cabins. Confirm your seat in your booking. How the seat facts are worked out