United Airlines 787-8 & 787-9 Seat Selection Guide (2025)
United Airlines' Boeing 787-8 and 787-9 Dreamliners form the backbone of the carrier's long-haul network, flying dense transatlantic, transpacific, and select premium domestic routes. In 2026, United begins rolling out its new "Elevated" 787-9 configuration with Polaris Studio suites and doors, making seat selection – and choosing the right aircraft – more important than ever.
Key differentiator: United's new Elevated 787-9 with Polaris Studio is designed to compete directly with Qatar Qsuite and Singapore Airlines' latest Business Class products for premium long-haul travellers.
Quick Verdict
Current Polaris (787-8 & 787-9)
- Best seats: Mid-cabin window seats – rows 4–5 on the 787-8, rows 4–7 on the 787-9.
- The Safran Optima layout is arranged in pairs across the cabin (not classic reverse herringbone).
- Avoid row 1 (galley) and the last Polaris row (lavatory / cabin divider).
- Centre pairs work well for couples.
New "Elevated" 787-9 (from 2026)
- Adds Polaris Studio (rows 1–2 of each cabin) and Polaris Suites with doors throughout.
- Best for experience: Polaris Studio.
- Best for quiet: Mid-cabin standard Polaris Suites away from galleys and lavatories.
Premium Plus
- Best seats: Window pairs in rows 20–21 (21A/B, 21J/K on current configs).
- 2-3-2 layout → only one middle seat (E) per row.
- Avoid the last Premium Plus row (closest to Economy / Economy Plus).
Economy Plus / Economy
- Economy Plus offers ~34" pitch vs ~31" in standard Economy.
- Best: Forward Economy Plus rows and exit rows (if eligible).
- Avoid last 2 rows, rows in front of lavatories, and middle seats where possible.
787-9 vs 787-8
- 787-9 is longer with 48 Polaris seats vs 28 on the 787-8.
- Both currently offer similar Polaris products and Premium Plus.
United 787-8 & 787-9 Overview
United runs one of the world's largest 787 fleets, using the 787-8 and 787-9 for core transatlantic markets, long-haul transpacific routes, and some premium domestic and Hawaii sectors. A major upgrade, the Elevated 787-9, arrives late 2025 with regular service from 2026.
Current Configurations (2025)
| Feature | 787-8 ("78H") | 787-9 ("78P") |
|---|---|---|
| Total seats | 243 | 257 |
| Polaris Business | 28 | 48 |
| Premium Plus | 21 | 21 |
| Economy Plus | 36 | 39 |
| Economy | 158 | 149 |
| Business seat type | Safran Optima | Safran Optima |
| Economy layout | 3-3-3 | 3-3-3 |
New "Elevated" 787-9 (Arriving Late 2025, In Service 2026)
| Feature | New 787-9 "Elevated" |
|---|---|
| Total seats | 222 |
| Polaris Business | 64 (including 8 Polaris Studio) |
| Premium Plus | 35 |
| Economy Plus | 39 |
| Economy | 84 |
| Business seat type | Adient Ascent with doors |
| Polaris Studio | 8 seats (row 1–2 of each Polaris cabin) |
| Wi-Fi | Starlink (planned free for MileagePlus members / tiers) |
Key change: More premium, fewer Economy seats – United's most premium-heavy widebody.
Typical Routes
(subject to change – always check your booking)
- 787-9: SFO–SIN, SFO–LHR, EWR–CPT, LAX–SYD, IAH–NRT, DEN–LHR
- 787-8: Shorter long-haul / secondary transatlantic & transpacific routes
- Elevated 787-9: Initially SFO–SIN and SFO–LHR, then expanding
Seat Map Summary – 787-8 vs 787-9
Current 787-8 (243 seats)
| Cabin | Approx. Rows | Layout | Seats | Notes |
|---|---|---|---|---|
| Polaris | 1–7 | 1-2-1 | 28 | Safran Optima, two small cabins |
| Premium Plus | 20–22 | 2-3-2 | 21 | Dedicated PP mini-cabin |
| Economy Plus | 30–34 | 3-3-3 | 36 | Extra-legroom |
| Economy | 35–48 | 3-3-3 | 158 | Standard Economy |
Current 787-9 (257 seats)
| Cabin | Approx. Rows | Layout | Seats | Notes |
|---|---|---|---|---|
| Polaris | 1–12 | 1-2-1 | 48 | Safran Optima, two cabins |
| Premium Plus | 20–22 | 2-3-2 | 21 | Same layout as 787-8 |
| Economy Plus | 30–35 | 3-3-3 | 39 | Extra-legroom |
| Economy | 36–50 | 3-3-3 | 149 | Standard Economy |
Elevated 787-9 (222 seats, from 2026)
| Cabin | Approx. Rows | Layout | Seats | Notes |
|---|---|---|---|---|
| Forward Polaris | 1–8 | 1-2-1 | 32 | Rows 1–2: Polaris Studio |
| Rear Polaris | 10–13 | 1-2-1 | 32 | Rows 10–11: Polaris Studio |
| Premium Plus | 20–24 | 2-3-2 | 35 | 5 PP rows – largest PP cabin in UA fleet |
| Economy Plus | 30–33 | 3-3-3 | 39 | 4 E+ rows |
| Economy | 34–43 | 3-3-3 | 84 | Reduced Economy section |
Polaris Business Class Seat Recommendations
A. Current Polaris (787-8 & 787-9) – Safran Optima
United's current Polaris uses Safran Optima with all seats having direct aisle access, arranged in paired modules across the cabin (not classic reverse herringbone), and fully flat beds.
Specs:
- Width: ~20"
- Bed length: ~78"
- IFE: ~16" HD screen
- Power: AC + USB
Seat orientation alternates; some seats are more window-leaning, others more centre-facing.
Current 787-9 Polaris – Best Seats
| Category | Seats | Reason |
|---|---|---|
| Best overall | 4A, 4K, 5A, 5K, 6A, 6K | Mid-cabin windows; away from both galleys |
| Best for solo | 4A, 5A, 6A (or K equivalents) | Window positions with better privacy |
| Best for couples | 4D/4G, 5D/5G, 6D/6G | Centre pairs; good for conversation |
| Row 1 bulkhead | 1A, 1D, 1G, 1K | Larger footwells, but next to galley and door |
| Seats to avoid | Rows near mid-galley (e.g. 8–9) | More crew traffic and noise |
| Seats to avoid | Last Polaris row | Closest to Premium Plus / lavatories |
Current 787-8 Polaris – Best Seats
| Category | Seats | Reason |
|---|---|---|
| Best overall | 4A, 4K, 5A, 5K | Smaller cabin; these are the quiet mid-cabin windows |
| Best for solo | 4A, 5A | Window privacy away from galley and lavatories |
| Best for couples | 4D/4G, 5D/5G | Centre pairs in calm part of cabin |
| Seats to avoid | Row 1 | Forward galley/door proximity |
| Seats to avoid | Row 7 | Last row, near lavatories and Premium Plus bulkhead |
B. Elevated 787-9 – Polaris Studio & Polaris Suites (from 2026)
Two Polaris tiers:
- Polaris Studio – 8 front-row mega-suites
- Polaris Suites – 56 standard suites with doors
Polaris Studio
- Location: Rows 1–2 in each Polaris cabin (forward and rear)
- ~25% more space than standard suites
- Sliding doors, extra ottoman seat, 27" 4K OLED screens
- Enhanced Polaris extras (e.g. caviar amuse-bouche, better amenities)
Polaris Suites
- Platform: Adient Ascent with doors
- 19" 4K screens, full-flat beds, AC + USB + Bluetooth
Elevated 787-9 – Best Seats
| Category | Seats | Reason |
|---|---|---|
| Ultimate experience | Polaris Studio (rows 1–2 in each cabin) | Largest, most luxurious suites and service |
| Best balance | Mid-cabin Polaris Suites (rows 4–6 forward; 12–13 rear) | Doors + privacy with less galley/lav noise |
| Best for couples | Centre Polaris Suites in mid-cabin rows | Adjacent suites with doors; can open for shared experience |
| Avoid if noise-sensitive | Studio rows (1–2) | Most space, but closest to galleys |
| Avoid | Last business rows (e.g. 8 and 13) | Closest to galley/lavs and cabin curtains |
Premium Plus Seat Recommendations
United Premium Plus bridges the gap between Polaris and Economy.
Specs:
- Width: ~18.7–19"
- Pitch: ~38"
- Recline: ~6"
- Layout: 2-3-2
- Features: Leg/footrest, upgraded service, better bedding
- IFE: ~13" HD; AC + USB
Current 787-8 & 787-9 Premium Plus (21 seats)
Rows: 20–22 | Layout: 2-3-2
| Category | Seats | Reason |
|---|---|---|
| Best overall | 21A/21B, 21J/21K | Second row; good legroom without bulkhead drawbacks |
| Best for solo | 20A, 20K, 21A, 21K | Window seats with just one neighbour |
| Best for couples | 20A/20B, 21J/21K | Two-seat window pairs |
| Seats to avoid | 20E, 21E, 22E | Centre middle – worst in cabin |
| Seats to avoid | Row 22 (all) | Last row; closer to Economy noise |
Row 20 bulkhead: Lots of legroom but no floor storage and often armrest-stored trays.
Elevated 787-9 Premium Plus (35 seats, from 2026)
Rows: 20–24 | Layout: 2-3-2 (35 seats)
Upgrades: Privacy wings, wireless charging, ~16" 4K screens, Bluetooth
| Category | Seats | Reason |
|---|---|---|
| Best overall | 21A/21B, 22A/22B | Forward PP rows, quieter and away from Economy |
| Best for solo | 21A, 22A, 21K, 22K | Window seats not at bulkhead or last row |
| Seats to avoid | Row 24 (all) | Last row of PP; closest to Economy cabin |
| Seats to avoid | Bulkhead centre | Same storage/armrest limitations as current PP |
Economy Plus & Economy Recommendations
Economy Plus (Extra-Legroom Economy)
Specs:
- Layout: 3-3-3
- Width: ~17.1"
- Pitch: ~34"
- Recline: ~4"
- IFE: 9" HD, AC + USB
Typical rows:
- 787-9: ~30–35 (39 seats)
- 787-8: ~30–34 (36 seats)
| Category | Seats | Reason |
|---|---|---|
| Best Economy Plus | 30A, 30K | First E+ row windows; excellent legroom |
| Best for solo | 30A, 31A, 30K, 31K | Forward window seats |
| Best for couples | 30A/30B, 30J/30K | Window pairs in front rows |
| Seats to avoid | Row 30 middle (B, E, H) | Bulkhead centre; no floor storage and armrest trays |
| Seats to avoid | Last E+ row | Closest to standard Economy and curtain noise |
Standard Economy
Specs:
- Layout: 3-3-3
- Width: ~17.1"
- Pitch: ~31"
- Recline: ~3"
- IFE: 9" HD; AC + USB
| Category | Seats | Reason |
|---|---|---|
| Best Economy | Forward rows (36–40 on 787-9, 35–40 on 787-8) | Earlier service, quicker deplaning |
| Best for solo | Any A or K in forward Economy | Window with just one neighbour |
| Best for couples | A/B or J/K pairs | Manage only one stranger if full |
| Best for families | D/E/F | Centre 3 useful for families of 3–4 |
| Seats to avoid | B, E, H middle seats | Least comfortable option |
| Seats to avoid | Last 1–2 rows | Limited recline; most galley/lav noise |
| Seats to avoid | Rows directly in front of lavatories | Standing passengers, door slams, odours |
Known Quirks & Cabin Notes
| Issue / Quirk | Details | Seat Selection Tip |
|---|---|---|
| Paired Polaris layout | Current 787-8/787-9 Polaris uses a paired Safran Optima layout, not classic reverse herringbone. Some seats feel more window-facing, others more centre-facing. | Use SeatCompare maps to target the true window-leaning Polaris seats (e.g. 4A/5A/6A, 4K/5K/6K) for more privacy. |
| Small vs large Polaris cabins | The 787-8 has a smaller Polaris cabin; the 787-9's is noticeably larger with more rows and a second cabin. | On the 787-8, mid-cabin seats feel calmer and more private. On the 787-9, avoid the very first and very last rows of each Polaris cabin. |
| Premium Plus bulkheads & bassinets | Row 20 in Premium Plus often doubles as a bassinet row and true bulkhead. | Choose row 21 window pairs if you want Premium Plus without bulkhead/bassinet trade-offs. |
| Rear Economy window quirks | Some rear 787-9 Economy rows have partial or misaligned windows, which can restrict views. | If window views matter, focus on forward Economy A/K seats and avoid deep-aft rows with "limited view" indicators. |
| Service & galley noise | United's service flow concentrates activity around the forward and mid-cabin galleys. Overnight flights can make galley noise more noticeable. | Avoid Polaris row 1 and last rows, and Economy / E+ rows directly adjacent to galleys and lavatories for a quieter ride. |
| Premium-heavy Elevated 787-9 | The Elevated 787-9 significantly shrinks Economy to make room for more Polaris and Premium Plus. | Expect high competition for E+ and PP seats. Book early if you want premium or extra-legroom seats on these aircraft. |
| Exit-row trade-offs | Exit rows bring big legroom but can have colder drafts, fixed armrests, and limited under-seat storage. | If you're after maximum leg space and accept compromises, target exit rows. Otherwise, try bulkhead E+ or PP rows instead. |
Seats to Avoid (Summary)
Polaris
| Variant | Seats | Reason |
|---|---|---|
| Current 787-8/787-9 | Row 1 (all) | Forward galley/door proximity; most noise and light |
| Current 787-8/787-9 | Last Polaris row | Closest to lavatories and cabin divider |
| Current 787-9 | Rows around mid-galley (e.g. 8–9) | More crew traffic and clatter |
| Elevated 787-9 | Row 8 (forward cabin) | Last row in front cabin, near galley |
| Elevated 787-9 | Row 13 (rear cabin) | Last row, near lavatories/curtain |
Premium Plus
| Variant | Seats | Reason |
|---|---|---|
| All | Centre middle seats (E) | Worst positions in 2-3-2 |
| All | Last Premium Plus row | Closest to Economy, more through-traffic |
| All | Bulkhead centre | No floor storage; armrest trays restrict width |
Economy Plus / Economy
| Variant | Seats | Reason |
|---|---|---|
| All | Middle seats (B, E, H) | Least comfortable in 3-3-3 |
| All | Last 1–2 rows | Limited recline; heaviest galley/lav noise |
| All | Rows immediately in front of lavatories | Standing passengers, door slams, odours |
| Some configs | Restricted-recline rows (often ahead of exits) | Reduced recline – check seat map notes |
Best Seats by Traveller Type
Solo Business Traveller
Current Polaris:
- 787-9: 4A, 5A, 6A (or 4K/5K/6K)
- 787-8: 4A, 5A
Elevated 787-9:
- Splurge: Polaris Studio (rows 1–2)
- Best balance: Mid-cabin Polaris Suites (rows 4–6 forward or 12–13 rear)
Couples in Polaris
Current: D/G centre pairs in mid-cabin (e.g. 4D/4G, 5D/5G).
Elevated 787-9: Centre Polaris Suites in rows 4–6 (forward) or 12–13 (rear) – doors for privacy, open for shared meals and conversation.
Families in Premium Plus / Economy
Premium Plus:
- Families of 3: centre C/D/E works well.
- For a parent + child duo: A/B or J/K window pairs.
Economy:
- Families of 3–4: centre D/E/F block keeps everyone together.
- For mixed ages: combine a window pair + adjacent aisle (A/B/C or H/J/K).
How to Confirm Your UA 787 Type & Configuration
Step 1 – Check Aircraft Type in Booking
On united.com or in the app:
- "Boeing 787-8" / "78H" → Current 787-8 (243 seats)
- "Boeing 787-9" / "78P" → Current 787-9 (257 seats)
- From 2026: some 787-9s will show ~222 seats and mention Polaris Suites/Studio → Elevated 787-9
Step 2 – Quick Configuration Checks
| Feature | 787-8 | Current 787-9 | Elevated 787-9 |
|---|---|---|---|
| Polaris seats | 28 | 48 | 64 (with Studio) |
| Premium Plus | 21 | 21 | 35 |
| Economy Plus | 36 | 39 | 39 |
| Economy | 158 | 149 | 84 |
| Doors in Business | No | No | Yes |
If the seat map shows Polaris Studio labelled in rows 1–2 and five Premium Plus rows, you're on the Elevated 787-9.
FAQ
What's the difference between Polaris and Polaris Studio?
Polaris Studio suites (available on the Elevated 787-9) offer ~25% more space, 27" OLED screens, and enhanced service compared to standard Polaris Suites which still feature doors but are smaller.
When will the Elevated 787-9 be available?
United expects the first Elevated 787-9 aircraft to enter regular service in 2026, initially on premium routes like SFO–SIN and SFO–LHR.
Is Premium Plus worth the upgrade from Economy Plus?
Yes, for long-haul flights. Premium Plus offers a dedicated cabin, wider seats (~19" vs ~17"), more pitch (~38" vs ~34"), better recline, leg/footrests, and upgraded service including amenity kits and better meals.
Which United 787 variant is best for sleeping?
For the best sleep, aim for Polaris Business Class on any variant – all offer fully flat beds. On the Elevated 787-9, the Polaris Studio suites offer the most space and best bedding for sleeping.