United Airlines Boeing 777-300ER seat map
Seat map
Hover or tap any seat to see its rating and details.
Tap or hover a seat for its rating and details. On a phone, pinch to zoom and drag to pan.
- Exit rows: 30 and 45
- 62 extra-legroom seats
Tap a seat number to jump to it on the map.
How we rate seats →Seat guide
Cabin-by-cabin guidance generated from the verified layout records behind this map — which seats the ratings favor, which to think twice about, and the rows worth knowing about before you pick.
United Polaris
Ratings are even across this cabin — no standout or problem seats in our records.
United Premium Plus
Ratings are even across this cabin — no standout or problem seats in our records.
United Economy
- Exit rows: 30 and 45
- 62 extra-legroom seats
Frequently asked questions
- How many seats does the United Airlines Boeing 777-300ER have?
- This configuration has 350 seats: 60 United Polaris, 24 United Premium Plus, 266 United Economy.
- What are the best seats on the United Airlines Boeing 777-300ER?
- No standout seat is established by the available evidence for this layout. Unresolved comfort details remain unverified.
- Which seats should I avoid?
- No seats on this layout are flagged as ones to avoid.
- Which rows are the exit rows?
- Rows 30 and 45 are exit rows.
- Does the United Airlines Boeing 777-300ER have lie-flat seats?
- Yes — United Polaris has 60 seats that convert to a fully flat bed.
Cabins
United Polaris
- Width
- 22"published
- Seat
- Lie-flat bed
- Screen
- 16"
United's current aircraft specifications, version 1, publish these standard dimensions in inches. Seat-specific exceptions and limited-recline seats are separate; actual dimensions may vary. This audit did not independently verify the legacy seat hardware, amenity descriptions or per-tail retrofit status.
United Premium Plus
- Pitch
- 38"published
- Width
- 18.5"published
- Seat
- Recliner
- Screen
- 13" (approx.)
United's current aircraft specifications, version 1, publish these standard dimensions in inches. Seat-specific exceptions and limited-recline seats are separate; actual dimensions may vary. This audit did not independently verify the legacy seat hardware, amenity descriptions or per-tail retrofit status.
United Economy
- Pitch
- 31–34"published
- Width
- 17.1"published
- Seat
- Standard seat, Extra-legroom seat
United's current aircraft specifications, version 1, publish these standard dimensions in inches. Seat-specific exceptions and limited-recline seats are separate; actual dimensions may vary. This audit did not independently verify the legacy seat hardware, amenity descriptions or per-tail retrofit status.
Onboard facilities
Drawn on the interactive map above — hover a monument to confirm its position.
5 door pairs
Amenities
Seat map image
A printable snapshot of this exact layout — save it for boarding-day reference. The interactive map above stays the source of truth.
Sources
Every measurement and claim on this page traces back to one of these. Last verified Jul 13, 2026.
- United Airlines NewsroomPRIMARY SOURCERetrieved Jul 13, 2026
777-300ER cabin layouts and specs: 60 Polaris in 1-2-1 with direct aisle access, 180-degree flat bed 6'6" x 23", 16-inch HD screen, universal AC + 2 USB; Economy Plus 3-4-3 at 34-inch pitch; Economy 3-4-3 at 31-inch pitch; HD seatback IFE + USB + in-seat power; purchasable satellite Wi-Fi; LED mood lighting.
https://united.mediaroom.com/2017-07-03-United-Airlines-Introduces-Boeing-777-300ER-To-Additional-Routes ↗ - United Airlines NewsroomPRIMARY SOURCERetrieved Jul 13, 2026
United Premium Plus premium-economy cabin available on Boeing 777-300ER; individual power and USB outlets, amenity kit, noise-reducing headphones, enhanced meal service, more legroom/recline than Economy Plus.
https://united.mediaroom.com/2018-11-30-United-Airlines-Announces-Sale-Date-for-United-R-Premium-Plus-Airlines-Premium-Economy-Offering ↗ - WikipediaINDEPENDENT SOURCERetrieved Jul 13, 2026
United Boeing 777-300ER seat count 350 in four cabins: 60 Polaris / 24 Premium Plus / 62 Economy Plus / 204 Economy.
https://en.wikipedia.org/wiki/United_Airlines_fleet ↗ - United HubSECONDARY SOURCERetrieved Jul 13, 2026
United Premium Plus product overview and rollout timeline (context for Premium Plus features).
https://hub.united.com/united-r-premium-plus-seats-2621698946.html ↗ - United AirlinesPRIMARY SOURCERetrieved Sep 30, 2026
Aircraft-version product counts and published standard seat pitch, width and recline. Standard dimensions may vary by seat. Original map is separately archived.
Tables can contain inconsistent ranges/counts; image-based reconciliation is explained in configuration notes. Does not verify every legacy amenity, retrofit claim, fleet count or tail assignment.
https://www.united.com/en/us/fly/company/aircraft/boeing-777-300er.html ↗ - United AirlinesPRIMARY SOURCERetrieved Sep 30, 2026
Airline-published map image: seat labels, skipped rows, seat columns, product coloring and monument/exit positions.
Schematic map does not establish physical window alignment or every hardware/amenity feature.
https://media.united.com/assets/m/7d514e882a9d133f/original/777-300ER_SeatMap.png ↗ - United AirlinesPRIMARY SOURCERetrieved Sep 30, 2026
Full rendered table including mixed product labels, standard dimensions, exits, accessibility, entertainment and power.
Multiline label whitespace normalized; no dedicated limited-recline row is published in this table.
https://www.united.com/en/us/fly/company/aircraft/boeing-777-300er.html ↗ - United AirlinesPRIMARY SOURCERetrieved Sep 30, 2026
Complete rendered official aircraft page: every table cell, heading, explanatory main text and visible footnote retained for reprocessing and exact claim comparison.
Rendered DOM extraction, not raw HTTP HTML. Static page does not establish per-tail operations; table/image conflicts and limited audit scope remain in config notes.
https://www.united.com/en/us/fly/company/aircraft/boeing-777-300er.html ↗
2026-09-30: Exact350-seat primary image/table reconciliation. Polaris1-6ADGL,7/8AL,9-12ADGL,15-18ADGL =60; Premium Plus20-22ABDEFGKL =24. Economy30-43all10,45ABCJKL,46-55all10,56/57ABDEFGKL,58DEFG =266. Economy Plus30-33all10,34/35ABCJKL,45ABCJKL,46DEFG =62; standard Economy204. Rows13/14/23-29/44 absent. The source table omits a dedicated limited-recline row; absence is not affirmative proof of unrestricted seats. Only primary-documented exit doors are retained; monument inventory incomplete. Physical window alignment unknown. Legacy hardware, amenity claims, tail assignments and fleet counts remain outside verified scope. Published matching-version fixed-bassinet assignments: United Polaris® business class: 9A, 9L; United® Premium Plus: 20E, 20F; United Economy Plus®: 30E, 30F, 46E, 46F; United Economy®: No. These table assignments are documented here; per-seat adjacency warnings and full-row eligibility are not inferred. Any source letter/product conflicts retain their existing unresolved status.
What changed
- Oct 1, 2026Independent United source triage: version-bound power/USB/IFE, zero recline, exact staggered MAX8 labels and published exceptions, source-date/product wording qualification. Legacy inferred hardware, furniture and window uncertainty remain explicit. Qualify United outlet connector claims: generic availability remains prose, unsupported AC enum omitted, explicit wireless/StudioUSB-C preserved. No map, numbering, totals, coordinates or source archives changed.
- Sep 30, 2026Primary-source audit: updated published standard dimensions; reconstructed grid only where explicit archived airline image reconciliation is implemented. Remaining unverified scope documented in notes.
- Jul 13, 2026Round-2 integrity pass: window-alignment evidence reset, ratings coherence, v1.2 migration
- Jul 13, 2026Normalized to AUTHORING.md rubric: ratings coverage, flag semantics, v1.1 fields, id alignment
- Jul 13, 2026Initial ua-77w-350 seat map created from United newsroom releases + Wikipedia fleet table; row grid derived from published layouts and cabin totals.