Which United Polaris® seats on UA870 have misaligned windows?

On UA870’s Boeing 787-9, the United Polaris® seats with misaligned windows are 2A, 2L, 4A, 4L, 5A, 5L, 6A, 6L, 8A, 8L, 10A, 10L, 12A and 12L.

What is the average seat rating on UA870?

The 257 seats on the United Airlines Boeing 787-9 flying UA870 average 5.6 out of 10 for comfort. By cabin: United Polaris® 5.8, United Premium Plus® 6.1 and United Economy® 5.5. 4 seats rate Good or better, and 42 rate below average.

What legroom and seat width are listed for UA870’s United Economy® seats?

UA870’s United Economy® seats have 31" of legroom and a width of 17.3".

What route does UA870 fly?

UA870 is the United Airlines flight from Sydney (SYD, Sydney Kingsford Smith International) to San Francisco (SFO, San Francisco International), flown on the Boeing 787-9. It takes about 15h 35m for 11,950 km (7,425 miles), estimated from the great-circle distance. The return flight, UA863, flies San Francisco to Sydney.

What Wi-Fi, power and entertainment are listed for UA870’s United Premium Plus® cabin?

UA870’s United Premium Plus® cabin is Wi-Fi enabled, has AC/USB power available and offers free on demand entertainment.

Can I check real-time seat availability on UA870?

Yes. Open UA870 in the live seat map and choose your travel date to see which seats are still open on that day, each coloured by its comfort score.

Which UA870 United Economy® seats have no under-seat storage for take-off and landing?

The seats listed are 30A, 30B, 30C, 30D, 30E, 30F, 30J, 30K, 30L, 42A, 42B, 42C, 42J, 42K, 42L, 44D, 44E and 44F.

UA870 seat map

United Airlines Boeing 787-9, 3 classes, from Sydney (SYD) to San Francisco (SFO)

Departs: Sydney (SYD); Sydney Kingsford Smith International, Australia
Arrives: San Francisco (SFO); San Francisco International, United States
Flight time: About 15h 35m; Estimated from 11,950 km (7,425 miles)
Aircraft: Boeing 787-9; 3 classes, 1 deck

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Follow UA870 from Sydney to San Francisco: gate times, the route map, speed and altitude. A preview on sample data for now.

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UA870 is the United Airlines flight from Sydney (SYD) to San Francisco (SFO), scheduled on a Boeing 787-9 with 257 seats in 3 classes: 48 in United Polaris®, 21 in United Premium Plus® and 188 in United Economy®. The best seats are 3A in United Polaris®, 21A in United Premium Plus® and 42C in United Economy®. Avoid row 57 at the back of United Economy®: limited recline, near the galley.

UA870 interactive seat map

Select a seat for its comfort score and what to watch out for. Colours show comfort, not availability.

Seat scores on UA870

Covers all 257 seats on the aircraft.

Excellent9.0+0 seats
Good7.0 to 8.94 seats
Fair5.0 to 6.9211 seats
Below average3.0 to 4.926 seats
Poorunder 3.016 seats

Scores weigh legroom, recline, window position and distance from galleys, lavatories and exits. Seat-map glossary

Best in United Polaris®
Fair6.0 / 10
Window seat
Best in United Premium Plus®
Fair6.5 / 10
Window seat, wing in window
Best in United Economy®
Good8.8 / 10
Aisle seat, extra legroom, exit row, near lavatory, no floor storage

Seat data verified September 27, 2026. How we verify seat data

Which plane is UA870 on?

The aircraft and layout our seat map for UA870 comes from.

Date	Wed, Dec 2
Aircraft	Boeing 787-9
Layout	48J, 21W, 188Y (257 seats)

Airlines can swap planes close to departure, so confirm the aircraft at check-in.

UA870 airports

Where the flight leaves from and lands.

Departure: Sydney Kingsford Smith International SYD; Sydney, Australia
Arrival: San Francisco International SFO; San Francisco, United States

Seats by cabin on UA870

How the 257 seats on this aircraft split by cabin.

United Polaris®48 seats
United Premium Plus®21 seats
United Economy®188 seats

Open seats change daily. Check live availability for your date

Best seats on UA870

The top seats in every cabin, the ones to skip, and the pick for what matters to you.

Best seats on every aircraft

Comfort score out of 10Excellent9.0+Good7.0 to 8.9Fair5.0 to 6.9Below average3.0 to 4.9Poorunder 3.0

United Polaris®

Rows 1 to 12, 48 seats

Top picks

Window seatFair6.0 / 10
Window seatFair6.0 / 10
Window seatFair6.0 / 10

Seats to avoid

Aisle seat, near lavatory, near galleyBelow average4.2 / 10
Window seat, near lavatory, near galleyBelow average4.2 / 10
Aisle seat, near lavatory, near galleyBelow average4.2 / 10

Best for

Window
Aisle
Sleep
Couples

United Premium Plus®

Rows 20 to 22, 21 seats

Top picks

Window seat, wing in windowFair6.5 / 10
Window seat, wing in windowFair6.5 / 10
Window seat, wing in windowFair6.5 / 10

Seats to avoid

No seat in this cabin scores below Fair.

Best for

Window
Aisle
Sleep
Couples

United Economy®

Rows 30 to 57, 188 seats

Top picks

Aisle seat, extra legroom, exit row, near lavatory, no floor storageGood8.8 / 10
Aisle seat, extra legroom, exit row, near lavatory, no floor storageGood8.8 / 10
Middle seat, extra legroom, exit row, near lavatory, no floor storageGood8.8 / 10

Seats to avoid

Window seat, limited recline, near lavatoryPoor2.5 / 10
Window seat, limited recline, near lavatoryPoor2.5 / 10
Middle seat, limited recline, near lavatoryPoor2.5 / 10

Best for

Window
Aisle
Extra legroom
Sleep
Couples

Row-by-row notes for UA870

The rows worth knowing about before you choose, from the Boeing 787-9 cabin layout. New to terms like bulkhead or pitch? See the seat-map glossary.

Row 1United Polaris®. First row of the cabin: near the lavatories and the galley.
Row 8United Polaris®. Near the galley.
Row 9United Polaris®. Near the lavatories and the galley.
Row 12United Polaris®. Last row of the cabin.
Row 20United Premium Plus®. First row of the cabin: no floor storage.
Row 22United Premium Plus®. Last row of the cabin.
Row 30United Economy®. First row of the cabin: extra legroom; no floor storage and tray table in the armrest.
Row 34United Economy®. Near the lavatories.
Row 35United Economy®. Limited recline: the row sits in front of an exit row. Also near the lavatories.
Row 42United Economy®. Exit row: extra legroom; near the lavatories, no floor storage and tray table in the armrest.
Row 56United Economy®. Near the galley.
Row 57United Economy®. Last row of the cabin: limited recline, near the galley.

Cabins on UA870

Layout, legroom and amenities in each class on the United Airlines Boeing 787-9.

Compare Wi-Fi and entertainment across airlines

United Polaris®

Rows 1 to 12, 48 seats

Layout: 1-2-1
Pitch: 78"
Width: 20.5"
Recline: 180°

Lie-flat seat.

Wi-Fi enabled
AC/USB power
Free on demand entertainment

United Premium Plus®

Rows 20 to 22, 21 seats

Layout: 2-3-2
Pitch: 38"
Width: 19"
Recline: 6"

Standard seat with 6" of recline.

Wi-Fi enabled
AC/USB power
Free on demand entertainment

United Economy®

Rows 30 to 57, 188 seats

Layout: 3-3-3
Pitch: 31"
Width: 17.3"
Recline: 3"

Standard seat with 3" of recline. Sold as United Economy Plus®, United Economy and United Economy®.

Wi-Fi enabled
AC/USB power
Free on demand entertainment

UA870 questions

Questions about UA870

The aircraft, the cabins and the seats on this flight, answered from its seat map data.

The highest-rated seat on UA870 is 42C in United Economy®, with a comfort score of 8.8 out of 10: aisle seat, extra legroom, exit row, near lavatory, no floor storage. In the other cabins, the best seats are 3A in United Polaris® (6.0) and 21A in United Premium Plus® (6.5).

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