United Airlines Boeing 777-300ER Seat Map: Best & Worst Seats
United Airlines Boeing 777-300ER cabin layout and seating plan

Boeing 777-300ER
United Airlines Boeing 777-300ER (type 77X) holds 60 business, 24 premium economy and 266 economy seats including 62 designated Economy Plus seats and featuring United Polaris seats in Business Class. Economy Plus seats are the ones with dark navy headrests.
Last verified October 14, 2026Verified by Alex Westridge
Configuration
Seat classes
Sixty Polaris seats based on the Safran Optima platform set out as 4 seat pairs across the cabin. All seats have direct access to/from the aisle
Twenty-four Collins Aerospace MiQ seats in a 2-4-2 layout. Every seat has an adjustable leg rest and foot rest.
266 Collins Aerospace Aspire seats in a 3-4-3 layout.

Flying this Boeing 777-300ER? See which seats are still open
Enter your United Airlines flight number and date on the live seat map to see the open seats on your flight, with every seat's comfort score.
Best seats on the United Airlines Boeing 777-300ER
Ranked by cabin from the per-seat ratings, window quality, and traveler notes on the United Airlines Boeing 777-300ER seat map.
The best seat on the United Airlines Boeing 777-300ER is 01A. In Business, go for 01A or 01L; in Economy, 37A and 37L are recommended.
- 01A
Window·Recommended
Roomy bulkhead.
- 01L
Window·Recommended
Roomy bulkhead.
- 15A
Window·Recommended
Single seat with its own aisle access.
- 15L
Window·Recommended
Single seat with its own aisle access.
- 03A
Window·Recommended
Single seat with its own aisle access.
- 03L
Window·Recommended
Single seat with its own aisle access.
- 05A
Window·Recommended
Single seat with its own aisle access.
- 05L
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.
| Spec | Business | Premium Plus | Economy |
|---|---|---|---|
| Seats | 60 | 24 | 266 |
| Pitch | Not listed | 38" | Economy Plus: 34" |
| Width | Bulkhead seats at rows 1 and 9 have wider footwells than is standard | 18.7" | 17.3" |
| Recline | Converts into a 6'-6" long flat bed | 6" | Economy Plus: 4" |
| Power | 110V universal AC | 110V universal AC | 110V universal AC |
| Screen | 16" HD touchscreen display | 13" HD touchscreen display | 9" HD touchscreen display |
| Wi-Fi | Panasonic Ku-band satellite wifi | Panasonic Ku-band satellite wifi | Panasonic Ku-band satellite wifi |
Boeing 777-300ER 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
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
Measured across the seat cushion between the inner edges of the armrests.
Seat recline
How far the seat tilts back from upright, measured as the travel at the headrest.
In-seat amenities
Adjustable armrest
Adjustable headrest
Air vent
Seatback screen
Streaming to device
Wi-Fi
Power outlet
USB port
Wireless charging
Bluetooth audio
Privacy door
Cabin features
Galley
Lavatory
Accessible lavatory
Washlet lavatory
Bar or lounge
Bassinet position
Prayer area
Snack station
Service animal seating
Peanut-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
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Add your route to compare First, Business, and Economy on the Boeing 777-300ER.
Open the live mapUnited Airlines Boeing 777-300ER 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.



