Boeing 777-300ER
Best seat quick answer
Best rows: 20, 30, 45, 46. Watch rows: 20, 21, 22, 30, 42, 43, 45, 46, 56, 57, 58 because of no under-seat storage, lavatories, missing or misaligned windows, door intrusion, and galley noise.
- 20, 30, 45, 46 — Extra legroom
United Airlines's Boeing 777-300ER seats 350 passengers across 3 cabin classes.
Seat map
Business
Premium Economy
Economy
Good seat
Watch out
Avoid
Verified layout · 350 seats · 60J / 24W / 266Y · Verified 2026-06-16
Cabin
350 seats total| Class | Pitch | Width | Seats |
|---|---|---|---|
| Business | — | — | 60 |
| Premium Economy | — | — | 24 |
| Economy | — | — | 266 |
Cabin guide
- Business: 60 seats in a 4 layout (rows 1-18), polaris, staggered layout — window seats alternate between hugging the window (most private) and sitting beside the aisle.
- Premium Economy: 24 seats in a 2-4-2 layout (rows 20-22).
- Economy: 266 seats in a 3-4-3 layout (rows 30-58).
Best seats
- 20, 30, 45, 46 — Extra legroom
Exit rows, lavatories & galleys
- Cabin, before row 1: 1 lavatory and galley - nearby rows can see queueing, door noise, and foot traffic and nearby rows can get meal-service noise and light.
- Cabin, behind row 58: 2 lavatories, galley, and exit door area - nearby rows can see queueing, door noise, and foot traffic, nearby rows can get meal-service noise and light, and adjacent seats may have extra legroom or door-slide intrusion.
Photos and reviews
United Airlines Boeing 777-300ER seat photos and reviews
Licensed seat photos and published cabin reviews for this verified United Airlines Boeing 777-300ER layout, grouped by cabin. Confidence labels show whether each source matches an exact seat, exact position, same product, or similar cabin.
United Airlines Boeing 777-300ER Business photos and reviews
60 seats · Polaris
Seat photos
Cabin reviews
- United 777-300ER Polaris Business Class review
SANspotter · Same product match
Polaris 777-300ER business-class review; shown for selected Polaris seats on the 77X layout.
United Airlines Boeing 777-300ER Premium Economy reviews
24 seats
Cabin reviews
- United 777-300ER Premium Plus review
SANspotter · Same product match
777-300ER Premium Plus review; shown for selected Premium Plus seats on the 77X layout.
Variant identity
United Airlines uses this Boeing 777-300ER page for 60J / 24W / 266Y. The seat counts below are taken from the verified layout, not a generic aircraft template.
- 60J / 24W / 266Y
- 350 seats as drawn
- 60 Business, 24 Premium Economy, 266 Economy
Seat-by-seat notes
Every annotated seat on this verified layout, rated and explained: no window, near a galley or lavatory, limited recline, exit-row legroom, bulkhead or bassinet positions, misaligned windows, and tray-table or under-seat-storage quirks.
| Row / seat | Cabin | Rating | Reason |
|---|---|---|---|
| 18D, 18G | Business | Avoid | near a bassinet position (possible infant noise) |
| 20A | Premium Economy | Mixed | bulkhead ahead, no under-seat storage for take-off and landing, extra legroom, and tray table in the armrest, so narrower usable width |
| 20B, 20K | Premium Economy | Mixed | bulkhead ahead, no under-seat storage for take-off and landing, extra legroom, tray table in the armrest, so narrower usable width, and partial bulkhead with extra legroom |
| 20D, 20G | Premium Economy | Mixed | bulkhead ahead, no under-seat storage for take-off and landing, extra legroom, tray table in the armrest, so narrower usable width, partial bulkhead with extra legroom, and near a bassinet position (possible infant noise) |
| 20E, 20F | Premium Economy | Mixed | bulkhead ahead, no under-seat storage for take-off and landing, extra legroom, tray table in the armrest, so narrower usable width, bassinet can be fitted here, and near a bassinet position (possible infant noise) |
| 21B, 21D, 21G, 21K | Premium Economy | Avoid | near a lavatory (queuing and noise) |
| 21E, 21F | Premium Economy | Avoid | right beside a lavatory |
| 22A | Premium Economy | Avoid | near a lavatory (queuing and noise) |
| 22B, 22D, 22E, 22F, 22G, 22K | Premium Economy | Avoid | right beside a lavatory |
| 30A | Economy | Mixed | no window, solid wall alongside, extra legroom, tray table in the armrest, so narrower usable width, and exit door intrudes into the footwell |
| 30B, 30K | Economy | Mixed | extra legroom, tray table in the armrest, so narrower usable width, and near a lavatory (queuing and noise) |
| 30C, 30J | Economy | Mixed | extra legroom, tray table in the armrest, so narrower usable width, and right beside a lavatory |
| 30D, 30G | Economy | Mixed | bulkhead ahead, no under-seat storage for take-off and landing, extra legroom, extra-generous bulkhead legroom, tray table in the armrest, so narrower usable width, near a bassinet position (possible infant noise), and right beside a lavatory |
| 30E, 30F | Economy | Mixed | bulkhead ahead, no under-seat storage for take-off and landing, extra legroom, extra-generous bulkhead legroom, tray table in the armrest, so narrower usable width, bassinet can be fitted here, near a bassinet position (possible infant noise), and right beside a lavatory |
| 31D, 31E, 31F, 31G | Economy | Avoid | near a lavatory (queuing and noise) |
| 42A, 42B, 42C, 42J, 42K | Economy | Avoid | right beside a lavatory |
| 42D, 42G | Economy | Avoid | near a lavatory (queuing and noise) |
| 43A, 43B, 43C, 43J, 43K | Economy | Avoid | right beside a lavatory |
| 43D, 43G | Economy | Avoid | right beside a lavatory and near a galley (noise and bright light at meal times) |
| 43E, 43F | Economy | Avoid | near a lavatory (queuing and noise) and near a galley (noise and bright light at meal times) |
| 45A | Economy | Mixed | extra legroom, tray table in the armrest, so narrower usable width, exit door intrudes into the seat, and near a lavatory (queuing and noise) |
| 45B | Economy | Mixed | extra legroom, tray table in the armrest, so narrower usable width, and near a lavatory (queuing and noise) |
| 45C, 45J | Economy | Mixed | extra legroom, tray table in the armrest, so narrower usable width, and near a bassinet position (possible infant noise) |
| 45K | Economy | Mixed | extra legroom and tray table in the armrest, so narrower usable width |
| 46D, 46G | Economy | Mixed | bulkhead ahead, no under-seat storage for take-off and landing, extra legroom, tray table in the armrest, so narrower usable width, and near a bassinet position (possible infant noise) |
| 46E, 46F | Economy | Mixed | bulkhead ahead, no under-seat storage for take-off and landing, extra legroom, tray table in the armrest, so narrower usable width, bassinet can be fitted here, and near a bassinet position (possible infant noise) |
| 47E, 47F | Economy | Avoid | near a bassinet position (possible infant noise) |
| 56A, 56B, 56K | Economy | Avoid | right beside a lavatory |
| 56D, 56G | Economy | Avoid | near a lavatory (queuing and noise) |
| 57A, 57B, 57D, 57G, 57K | Economy | Avoid | right beside a lavatory |
| 57E, 57F | Economy | Avoid | near a lavatory (queuing and noise) |
| 58D, 58E, 58F, 58G | Economy | Avoid | right beside a lavatory |
Source & verification
Verified 2026-06-16. Seat count is validated against the published cabin totals before this map can render. Per-seat notes are extracted from the source data and rewritten into plain-language warnings for row selection.
- Source
- Coordinate-verified cabin layout
- Verification tier
- Tier A
- Validated seats
- 350
Frequently asked questions
- How many seats does the United Airlines Boeing 777-300ER have?
- This United Airlines Boeing 777-300ER configuration (60J / 24W / 266Y) has 350 seats: 60 Business, 24 Premium Economy, 266 Economy.
- What are the best seats on the United Airlines Boeing 777-300ER?
- Rows with extra room on this aircraft: 20, 30, 45, 46 (extra legroom).
- What type of business class seat does the United Airlines Boeing 777-300ER have?
- Polaris — a staggered layout — single seats alternate between hugging the window (most private) and sitting beside the aisle, and the centre pair alternates between together (good for couples) and apart (good for solo travellers).
- Does the United Airlines Boeing 777-300ER have premium economy?
- Yes - 24 Premium Economy seats in a 2-4-2 layout.
- How accurate is this United Airlines Boeing 777-300ER seat map?
- This layout is verified seat-by-seat: every cabin count is checked against the airline's published configuration, and the full seat grid is validated before the map is shown. Last verified 2026-06-16.
Boeing 777-300ER on other airlines
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