Which aircraft operates Cathay Pacific flight CX840, and how many seats does it have?

CX840 is operated by an Airbus A350-1000 with 334 seats.

What is the average seat rating on CX840?

The 334 seats on the Cathay Pacific Airbus A350-1000 flying CX840 average 5.9 out of 10 for comfort. By cabin: Business 5.9, Premium Economy 6.0 and Economy 5.8. 6 seats rate Good or better, and 23 rate below average.

Which CX840 seats are listed with bassinets?

In Business, the bassinet seats are 12A and 12K. In Premium Economy, they are 30A and 30K; in Economy, they are 39D, 39G and 59E.

What route does CX840 fly?

CX840 is the Cathay Pacific flight from Hong Kong (HKG, Hong Kong International) to New York (JFK, John F. Kennedy International), flown on the Airbus A350-1000. It takes about 16h 55m for 12,970 km (8,059 miles), estimated from the great-circle distance.

Which CX840 seats have a wing in the window view?

In Premium Economy, these are 30A, 30K, 31A, 31K, 32A, 32K, 33A and 33K. In Economy, they are 40A, 40K, 41A, 41K, 42A, 42K, 43A, 43K, 44A, 44K, 45A, 45K, 46A, 46K, 47A, 47K, 48A, 48K, 49A and 49K.

Can I check real-time seat availability on CX840?

Yes. Open CX840 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 seats on CX840 are listed near a galley?

In Business, they are 11D, 11G, 23A, 23D, 23G and 23K. In Premium Economy, they are 30D, 30E, 30F and 30G; in Economy, they are 76A, 76B, 76C, 76D, 76E, 76G, 76H, 76J, 76K, 77D, 77E and 77G.

CX840 seat map

Cathay Pacific Airbus A350-1000, 3 classes, from Hong Kong (HKG) to New York (JFK)

Departs: Hong Kong (HKG); Hong Kong International, Hong Kong
Arrives: New York (JFK); John F. Kennedy International, United States
Flight time: About 16h 55m; Estimated from 12,970 km (8,059 miles)
Flight date: Sun, Sep 13; Date of this seat map
Aircraft: Airbus A350-1000; 3 classes, 1 deck
Verified: Aug 30, 2026; Layout and seat scores

Your flight date

Check live availability

CX840 is the Cathay Pacific flight from Hong Kong (HKG) to New York (JFK), scheduled on an Airbus A350-1000 with 334 seats in 3 classes: 46 in Business, 32 in Premium Economy and 256 in Economy. The best seats are 12A in Business, 31A in Premium Economy and 60A in Economy. Avoid row 77 at the back of Economy: limited recline, near the galley.

CX840 interactive seat map

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

Seat scores on CX840

Covers all 334 seats on the aircraft.

Excellent9.0+0 seats
Good7.0 to 8.96 seats
Fair5.0 to 6.9305 seats
Below average3.0 to 4.914 seats
Poorunder 3.09 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
Fair6.5 / 10
Window seat, wing in window
Best in Economy
Good8.8 / 10
Window seat, extra legroom, exit row, no floor storage, tray in armrest

Seat data verified August 30, 2026. How we verify seat data

Which plane is CX840 on?

The aircraft and layout our seat map for CX840 comes from.

Date	Sun, Sep 13
Aircraft	Airbus A350-1000
Layout	46J, 32W, 256Y (334 seats)

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

CX840 airports

Where the flight leaves from and lands.

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

Seats by cabin on CX840

How the 334 seats on this aircraft split by cabin.

Business46 seats
Premium Economy32 seats
Economy256 seats

Open seats change daily. Check live availability for your date

Best seats on CX840

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, 46 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
Aisle seat, 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, 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
Extra legroom
Sleep
Couples

Economy

Rows 39 to 77, 256 seats

Top picks

Window seat, extra legroom, exit row, no floor storage, tray in armrestGood8.8 / 10
Window seat, extra legroom, exit row, no floor storage, tray in armrestGood8.8 / 10
Window seat, extra legroom, exit row, near lavatory, no floor storageGood8.8 / 10

Seats to avoid

Window seat, limited recline, near galleyPoor2.5 / 10
Middle seat, limited recline, near galleyPoor2.5 / 10
Aisle seat, limited recline, near galleyPoor2.5 / 10

Best for

Window
Aisle
Extra legroom
Sleep
Couples

Row-by-row notes for CX840

The rows worth knowing about before you choose, from the Airbus A350-1000 cabin layout. New to terms like bulkhead or pitch? See the seat-map glossary.

Row 11Business. First row of the cabin: near the lavatories and the galley.
Row 23Business. Last row of the cabin: near the galley.
Row 30Premium Economy. First row of the cabin: extra legroom; near the lavatories and the galley, no floor storage.
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 40Economy. Extra legroom; no floor storage and tray table in the armrest.
Row 49Economy. Near the lavatories.
Row 59Economy. Exit row: extra legroom; near the lavatories, no floor storage and tray table in the armrest.
Row 76Economy. Limited recline, near the galley.
Row 77Economy. Last row of the cabin: limited recline, near the galley.

Cabins on CX840

Layout, legroom and amenities in each class on the Cathay Pacific Airbus A350-1000.

Compare Wi-Fi and entertainment across airlines

Business

Rows 11 to 23, 46 seats

Layout: 1-2-1
Pitch: 45/75"
Width: 20"
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: 40"
Width: 19"
Recline: 9"

Standard seat with 9" of recline.

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

Economy

Rows 39 to 77, 256 seats

Layout: 3-3-3
Pitch: 32"
Width: 18"
Recline: 6"

Standard seat with 6" of recline.

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

CX840 questions

Flying CX840? Answered.

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

The highest-rated seat on CX840 is 60A in Economy, with a comfort score of 8.8 out of 10: window seat, extra legroom, exit row, no floor storage, tray in armrest. In the other cabins, the best seats are 12A in Business (6.0) and 31A in Premium Economy (6.5).

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