SeatInfo

United Airlines Boeing 787-9 Seat Map (257 seats)

United Airlines Boeing 787-9 cabin layout and seating plan

Cabin layout

48J · 21W · 188Y257 seats
United Airlines Boeing 787-9 seat map
United AirlinesUAPolaris

Boeing 787-9

United Airlines Boeing 787-9 (type 78P) holds 48 business, 21 premium economy and 188 economy seats, and includes 39 designated Economy Plus seats and features United Polaris seats in Business Class. Economy Plus seats are the ones with dark navy headrests.

Last verified October 14, 2026Verified by Alex Westridge

Manufacturer
Boeing
Body
Wide body
Haul
Long Haul

Configuration

48J · 21W · 188Y
257seats
Business 48
Premium Economy 21
Economy 188
Wi-Fi
Better
Panasonic Ku-band satellite wifi
Entertainment
Panasonic IFE carries audio and video to your own phone or tablet.

Seat classes

Business
48 seats
Rows1 to 12
Width20"
Recline180°
In-seat amenities
PowerPower110V universal ACUSBUSBUSB-AScreenScreen16" HD touchscreen displayWi-FiWi-FiPanasonic Ku-band satellite wifiAir ventAir ventAdjustable armrestAdjustable armrest

Forty-eight Polaris seats based on the Safran Optima platform set out as 4 seat pairs across the width of the cabin. All seats have direct access to/from the aisle

Premium Plus
21 seats
Rows20 to 22
Pitch38"
Width18.7"
Recline6"
In-seat amenities
PowerPower110V universal ACUSBUSBUSB-AScreenScreen13" HD touchscreen displayWi-FiWi-FiPanasonic Ku-band satellite wifiAir ventAir ventAdjustable headrestAdjustable headrestAdjustable armrestAdjustable armrest

Twenty-one Collins Aerospace MiQ seats in a 2-3-2 layout, equipped with adjustable leg and foot rests.

Economy
188 seats
Rows30 to 57
Pitch31"
Width17.1"
Recline3"
In-seat amenities
PowerPower110V universal ACUSBUSBUSB-AScreenScreen9" HD touchscreen displayWi-FiWi-FiPanasonic Ku-band satellite wifiAir ventAir ventAdjustable headrestAdjustable headrestAdjustable armrestAdjustable armrest

188 Collins Aerospace Aspire seats in a 3-3-3 layout.

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Seat insights

Best seats on the United Airlines Boeing 787-9

Ranked by cabin from the per-seat ratings, window quality, and traveler notes on the United Airlines Boeing 787-9 seat map.

The best seat on the United Airlines Boeing 787-9 is 01A. In Business, go for 01A or 01L; in Economy, 48A and 48L are recommended for a good window.

Cabin
Position
  • 48A

    Window·Recommended

  • 48L

    Window·Recommended

  • 55A

    Window·Recommended

  • 55L

    Window·Recommended

  • 01A

    Window·Recommended

    Roomy bulkhead.

  • 01L

    Window·Recommended

    Roomy bulkhead.

  • 03A

    Window·Recommended

    Single seat with its own aisle access.

  • 03L

    Window·Recommended

    Single seat with its own aisle access.

  • 07A

    Window·Recommended

    Single seat with its own aisle access.

  • 07L

    Window·Recommended

    Single seat with its own aisle access.

  • 09A

    Window·Recommended

    Roomy bulkhead.

  • 09L

    Window·Recommended

    Roomy bulkhead.

Is the better cabin worth it?

Compare the cabins on this aircraft side by side, so you can weigh the jump in pitch, width, and amenities against the fare.

SpecBusinessPremium PlusEconomy
Seats4821188
PitchNot listed38"Economy Plus: 34"
WidthBulkhead seats at rows 1 and 9 have wider footwells than is standard18.7"17.1"
ReclineConverts into a 6'-6" long flat bed6"Economy Plus: 4"
Power110V universal AC110V universal AC110V universal AC
Screen16" HD touchscreen display13" HD touchscreen display9" HD touchscreen display
Wi-FiPanasonic Ku-band satellite wifiPanasonic Ku-band satellite wifiPanasonic Ku-band satellite wifi

Boeing 787-9 seat specifications: pitch, width and recline

What every symbol, measurement, and color on the map means, so you can compare seats, cabins, and aircraft with confidence.

Seat measurements

Row pitch

Row pitch

Distance from a point on one seat to the same point on the seat in the row ahead. A useful proxy for legroom.

Seat width

Seat width

Measured across the seat cushion between the inner edges of the armrests.

Seat recline

Seat recline

How far the seat tilts back from upright, measured as the travel at the headrest.

In-seat amenities

  • Adjustable armrestAdjustable armrest
  • Adjustable headrestAdjustable headrest
  • Air ventAir vent
  • Seatback screenSeatback screen
  • Streaming to deviceStreaming to device
  • Wi-FiWi-Fi
  • Power outletPower outlet
  • USB portUSB port
  • Wireless chargingWireless charging
  • Bluetooth audioBluetooth audio
  • Privacy doorPrivacy door

Cabin features

  • GalleyGalley
  • LavatoryLavatory
  • Accessible lavatoryAccessible lavatory
  • Washlet lavatoryWashlet lavatory
  • Bar or loungeBar or lounge
  • Bassinet positionBassinet position
  • Prayer areaPrayer area
  • Snack stationSnack station
  • Service animal seatingService animal seating
  • Peanut-allergy seatingPeanut-allergy seating

Wi-Fi quality

Good

Steady enough for messaging and email.

Better

Comfortable browsing and light streaming.

Best

Fast enough for video calls and streaming.

Seat ratings

Recommended

Above average. A strong pick on this aircraft.

Caution

Some trade-offs worth weighing before you book.

Avoid

Below average, with known drawbacks to avoid.

Plan your United Airlines flight

Check live United Airlines seat availability

Pick your route and date to see which seats on the United Airlines Boeing 787-9 are still open.

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Find extra-legroom and window seats

Open the live map and filter by legroom, exit rows, and window position to lock in the right seat.

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Compare cabins on your route

Add your route to compare First, Business, and Economy on the Boeing 787-9.

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The 2 cabin layouts on this aircraft

This airline flies the same aircraft in more than one cabin layout. Here is what separates them, so you know which one you are looking at before you pick a seat.

64J · 35W · 123Y

Business
64J
Premium Economy
35W
Economy
123Y

The United Airlines Boeing 787-9 holds 64 business, 35 premium economy and 123 economy seats and features the latest "Elevated" interiors

48J · 21W · 188Y

Business
48J
Premium Economy
21W
Economy
188Y

United Airlines Boeing 787-9 (type 78P) holds 48 business, 21 premium economy and 188 economy seats, and includes 39 designated Economy Plus seats and features United Polaris seats in Business Class. Economy Plus seats are the ones with dark navy headrests.

FAQ

United Airlines Boeing 787-9 seat map questions

How to read the map, what the ratings mean, and what you need to get started.

The map is drawn to scale from real cabin data, including window alignment, galleys, lavatories, and exit rows. Airlines can swap aircraft, so always confirm your seat at check-in.

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