Which CX831 seats are listed as having bassinets?

In Business, the bassinet seats are 20D and 20G; in Premium Economy, they are 30A and 30K. In Economy, they are 39A, 39K, 43D, 43F, and 60F.

What is the average seat rating on CX831?

The 368 seats on the Cathay Pacific Boeing 777-300ER flying CX831 average 5.6 out of 10 for comfort. By cabin: Business 5.9, Premium Economy 6.5 and Economy 5.5. 32 seats rate Good or better, and 71 rate below average.

Which seats on CX831 are marked as having misaligned windows?

In Business, they are 19A and 19K; in Premium Economy, 32A and 32K. In Economy, they are 39A, 39K, 57A, 60A, and 60K.

What route does CX831 fly?

CX831 is the Cathay Pacific flight from New York (JFK, John F. Kennedy International) to Hong Kong (HKG, Hong Kong International), flown on the Boeing 777-300ER. It takes about 16h 55m for 12,970 km (8,059 miles), estimated from the great-circle distance. The return flight, CX840, flies Hong Kong to New York.

What Wi-Fi, power, and entertainment are listed for CX831 Premium Economy?

Premium Economy has Wi-Fi enabled, power available through AC/USB, and free on demand entertainment.

Can I check real-time seat availability on CX831?

Yes. Open CX831 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 CX831 Economy seats are listed as having no window?

The Economy seats listed as having no window are 43A, 43K, 59A, and 59K.

CX831 seat map

Cathay Pacific Boeing 777-300ER, 3 classes, from New York (JFK) to Hong Kong (HKG)

Departs: New York (JFK); John F. Kennedy International, United States
Arrives: Hong Kong (HKG); Hong Kong International, Hong Kong
Flight time: About 16h 55m; Estimated from 12,970 km (8,059 miles)
Aircraft: Boeing 777-300ER; 3 classes, 1 deck

Your flight date

Check live availability

CX831 is the Cathay Pacific flight from New York (JFK) to Hong Kong (HKG), scheduled on a Boeing 777-300ER with 368 seats in 3 classes: 40 in Business, 32 in Premium Economy and 296 in Economy. The best seats are 12A in Business, 30A in Premium Economy and 43C in Economy. Avoid row 57 in Economy: limited recline, near the galley.

CX831 interactive seat map

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

Seat scores on CX831

Covers all 368 seats on the aircraft.

Excellent9.0+0 seats
Good7.0 to 8.932 seats
Fair5.0 to 6.9265 seats
Below average3.0 to 4.943 seats
Poorunder 3.028 seats

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

Best in Business
Fair6.0 / 10
Window seat
Best in Premium Economy
Good8.6 / 10
Window seat, extra legroom, no floor storage, tray in armrest
Best in Economy
Good8.8 / 10
Aisle seat, extra legroom, exit row, near lavatory, no floor storage

Seat data verified September 26, 2026. How we verify seat data

Which plane is CX831 on?

The aircraft and layout our seat map for CX831 comes from.

Date	Wed, Jan 27
Aircraft	Boeing 777-300ER
Layout	40J, 32W, 296Y (368 seats)

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

CX831 airports

Where the flight leaves from and lands.

Departure: John F. Kennedy International JFK; New York, United States
Arrival: Hong Kong International HKG; Hong Kong

Seats by cabin on CX831

How the 368 seats on this aircraft split by cabin.

Business40 seats
Premium Economy32 seats
Economy296 seats

Open seats change daily. Check live availability for your date

Best seats on CX831

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

Business

Rows 11 to 23, 40 seats

Top picks

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

Seats to avoid

Window seat, near galley, misaligned windowBelow average4.2 / 10
Window seat, near galley, misaligned windowBelow average4.2 / 10
Aisle seat, bassinet position, near lavatory, near galleyBelow average4.2 / 10

Best for

Window
Aisle
Sleep
Couples

Premium Economy

Rows 30 to 33, 32 seats

Top picks

Window seat, extra legroom, no floor storage, tray in armrestGood8.6 / 10
Window seat, extra legroom, no floor storage, tray in armrestGood8.6 / 10
Aisle seat, extra legroom, bassinet position, no floor storage, tray in armrestGood8.6 / 10

Seats to avoid

Window seat, misaligned window, wing in windowBelow average3.4 / 10
Window seat, misaligned window, wing in windowBelow average3.4 / 10

Best for

Window
Aisle
Extra legroom
Sleep
Couples

Economy

Rows 39 to 72, 296 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
Aisle seat, extra legroom, exit row, near galley, no floor storageGood8.8 / 10

Seats to avoid

Window seat, limited recline, near galleyPoor1.8 / 10
Window seat, limited recline, near lavatoryPoor2.0 / 10
Middle seat, limited recline, near lavatoryPoor2.0 / 10

Best for

Window
Aisle
Extra legroom
Sleep
Couples

Row-by-row notes for CX831

The rows worth knowing about before you choose, from the Boeing 777-300ER cabin layout. New to terms like bulkhead or pitch? See the seat-map glossary.

Row 11Business. First row of the cabin: near the galley.
Row 23Business. Last row of the cabin.
Row 30Premium Economy. First row of the cabin: extra legroom; no floor storage and tray table in the armrest.
Row 33Premium Economy. Last row of the cabin.
Row 39Economy. First row of the cabin: extra legroom; no floor storage and tray table in the armrest.
Row 42Economy. Limited recline: the row sits in front of an exit row. Also near the lavatories.
Row 43Economy. Exit row: extra legroom; near the lavatories, no floor storage and tray table in the armrest.
Row 55Economy. Limited recline, near the galley.
Row 57Economy. Limited recline: the row sits in front of an exit row. Also near the galley.
Row 59Economy. Exit row: extra legroom; near the galley, no floor storage and tray table in the armrest.
Row 71Economy. Limited recline, near the lavatories.
Row 72Economy. Last row of the cabin: limited recline, near the lavatories.

Cabins on CX831

Layout, legroom and amenities in each class on the Cathay Pacific Boeing 777-300ER.

Compare Wi-Fi and entertainment across airlines

Business

Rows 11 to 23, 40 seats

Layout: 1-2-1
Pitch: 81"
Width: 21"
Recline: 180°

Lie-flat seat.

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

Premium Economy

Rows 30 to 33, 32 seats

Layout: 2-4-2
Pitch: 36-38"
Width: 19.5"
Recline: 6"

Standard seat with 6" of recline.

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

Economy

Rows 39 to 72, 296 seats

Layout: 3-4-3
Pitch: 32"
Width: 17.2"
Recline: 6"

Standard seat with 6" of recline.

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

CX831 questions

Flying CX831? Answered.

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

The highest-rated seat on CX831 is 43C in 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 12A in Business (6.0) and 30A in Premium Economy (8.6).

Other flights from New York to Hong Kong

Every flight we have mapped from New York to Hong Kong, with the plane and the best seats, so you can compare before you book.

CX831 seat map
Cathay Pacific
This page
JFK
New York
about 16h 55mNew York to Hong Kong
HKG
Hong Kong
Boeing 777-300ER368 seats
CX843 seat map
Cathay Pacific
JFK
New York
about 16h 55mNew York to Hong Kong
HKG
Hong Kong
Airbus A350-1000334 seats
Flying a different New York to Hong Kong flight?
The live seat map shows the aircraft and the open seats for your flight number and date.
Search New York to Hong Kong in the live seat map

Flying back? Hong Kong to New York

CX840Return of this flight, HKG to JFK

More Cathay Pacific flights

Cathay Pacific flights we have mapped on other routes.

All Cathay Pacific seat maps

CX289 seat map
Cathay Pacific
HKG
Hong Kong
about 12h 5mHong Kong to Frankfurt
FRA
Frankfurt
Boeing 777-300ER361 seats
CX873 seat map
Cathay Pacific
SFO
San Francisco
about 14h 35mSan Francisco to Hong Kong
HKG
Hong Kong
Boeing 777-300ER361 seats
CX880 seat map
Cathay Pacific
HKG
Hong Kong
about 15h 15mHong Kong to Los Angeles
LAX
Los Angeles
Boeing 777-300ER368 seats
CX881 seat map
Cathay Pacific
LAX
Los Angeles
about 15h 15mLos Angeles to Hong Kong
HKG
Hong Kong
Boeing 777-300ER368 seats
CX882 seat map
Cathay Pacific
HKG
Hong Kong
about 15h 15mHong Kong to Los Angeles
LAX
Los Angeles
Boeing 777-300ER368 seats
CX883 seat map
Cathay Pacific
LAX
Los Angeles
about 15h 15mLos Angeles to Hong Kong
HKG
Hong Kong
Boeing 777-300ER368 seats