How are the cabins and rows laid out on Japan Airlines JL51?

On the Boeing 777-300ER, First is in rows 1-2 with a 1-2-1 layout, Business is in rows 5-12 with a 2-3-2 layout, and Premium Economy is in rows 17-21 with a 2-4-2 layout. Economy is in rows 23-57 with a 3-3-3 layout; rows 27, 45, 56 and 57 differ, with patterns 0-3-2, 3-0-3, 2-3-2 and 0-3-0 respectively.

What is the average seat rating on JL51?

The 244 seats on the Japan Airlines Boeing 777-300ER flying JL51 average 5.7 out of 10 for comfort. By cabin: First 6.0, Business 5.7, Premium Economy 6.2 and Economy 5.6. 15 seats rate Good or better, and 39 rate below average.

What legroom and seat widths are listed for each JL51 cabin?

First has 78" of legroom and a width of 22.5"; Business has 74" and 20.5". Premium Economy has 42" and 19", while Economy has 33-34" and 18.5".

What route does JL51 fly?

JL51 is the Japan Airlines flight from Tokyo (HND, Tokyo Haneda International) to Sydney (SYD, Sydney Kingsford Smith International), flown on the Boeing 777-300ER. It takes about 10h 25m for 7,818 km (4,858 miles), estimated from the great-circle distance.

Which seats are in the exit rows on JL51, and which are marked as extra legroom?

Premium Economy exit-row seats are 17A, 17C, 17H and 17K; all seats in row 17 are marked as extra legroom. Economy exit-row seats are 45A, 45B, 45C, 45H, 45J and 45K; extra-legroom seats are those in rows 23 and 45, plus 46D, 46E and 46G.

Can I check real-time seat availability on JL51?

Yes. Open JL51 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.

How far do the JL51 seats recline, and which cabins have full-flat seats?

First and Business have full-flat seats with 180° recline. Premium Economy has a standard seat with 7" of recline, and Economy has a standard seat with 5" of recline.

JL51 seat map

Japan Airlines Boeing 777-300ER, 4 classes, from Tokyo (HND) to Sydney (SYD)

Departs: Tokyo (HND); Tokyo Haneda International, Japan
Arrives: Sydney (SYD); Sydney Kingsford Smith International, Australia
Flight time: About 10h 25m; Estimated from 7,818 km (4,858 miles)
Flight date: Sun, Sep 26; Date of this seat map
Aircraft: Boeing 777-300ER; 4 classes, 1 deck
Verified: Oct 4, 2026; Layout and seat scores

Your flight date

Check live availability

JL51 is the Japan Airlines flight from Tokyo (HND) to Sydney (SYD), scheduled on a Boeing 777-300ER with 244 seats in 4 classes: 8 in First, 49 in Business, 40 in Premium Economy and 147 in Economy. The best seats are 2A in First, 5A in Business, 17C in Premium Economy and 45C in Economy. Avoid row 57 at the back of Economy: limited recline, near the lavatories.

JL51 interactive seat map

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

Seat scores on JL51

Covers all 244 seats on the aircraft.

Excellent9.0+0 seats
Good7.0 to 8.915 seats
Fair5.0 to 6.9190 seats
Below average3.0 to 4.929 seats
Poorunder 3.010 seats

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

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

Seat data verified October 4, 2026. How we verify seat data

Which plane is JL51 on?

The aircraft and layout our seat map for JL51 comes from.

Date	Sun, Sep 26
Aircraft	Boeing 777-300ER
Layout	8F, 49J, 40W, 147Y (244 seats)

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

JL51 airports

Where the flight leaves from and lands.

Departure: Tokyo Haneda International HND; Tokyo, Japan
Arrival: Sydney Kingsford Smith International SYD; Sydney, Australia

Seats by cabin on JL51

How the 244 seats on this aircraft split by cabin.

First8 seats
Business49 seats
Premium Economy40 seats
Economy147 seats

Open seats change daily. Check live availability for your date

Best seats on JL51

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

First

Rows 1 to 2, 8 seats

Top picks

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

Seats to avoid

No seat in this cabin scores below Fair.

Best for

Window
Aisle
Sleep
Couples

Business

Rows 5 to 12, 49 seats

Top picks

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

Seats to avoid

Window seat, near lavatory, near galleyBelow average4.2 / 10
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 17 to 21, 40 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
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 23 to 57, 147 seats

Top picks

Aisle seat, extra legroom, exit row, near lavatory, near galleyGood8.8 / 10
Aisle seat, extra legroom, exit row, near lavatory, near galleyGood8.8 / 10
Middle seat, extra legroom, exit row, near lavatory, near galleyGood8.8 / 10

Seats to avoid

Aisle seat, near lavatory, near galleyPoor2.5 / 10
Middle seat, near lavatory, near galleyPoor2.5 / 10
Aisle seat, near lavatory, near galleyPoor2.5 / 10

Best for

Window
Aisle
Extra legroom
Sleep
Couples

Row-by-row notes for JL51

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 1First. First row of the cabin: near the galley.
Row 2First. Last row of the cabin.
Row 5Business. First row of the cabin: near the galley.
Row 7Business. Near the lavatories and the galley.
Row 12Business. Last row of the cabin: near the lavatories.
Row 17Premium Economy. First row of the cabin and an exit row: extra legroom; near the lavatories, no floor storage.
Row 21Premium Economy. Last row of the cabin.
Row 23Economy. First row of the cabin: extra legroom; no floor storage and tray table in the armrest.
Row 26Economy. Near the lavatories.
Row 45Economy. Exit row: extra legroom; near the lavatories and the galley, no floor storage and tray table in the armrest.
Row 56Economy. Limited recline, near the lavatories.
Row 57Economy. Last row of the cabin: limited recline, near the lavatories.

Cabins on JL51

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

Compare Wi-Fi and entertainment across airlines

First

Rows 1 to 2, 8 seats

Layout: 1-2-1
Pitch: 78"
Width: 22.5"
Recline: 180°

Lie-flat seat.

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

Business

Rows 5 to 12, 49 seats

Layout: 2-3-2
Pitch: 74"
Width: 20.5"
Recline: 180°

Lie-flat seat.

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

Premium Economy

Rows 17 to 21, 40 seats

Layout: 2-4-2
Pitch: 42"
Width: 19"
Recline: 7"

Standard seat with 7" of recline.

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

Economy

Rows 23 to 57, 147 seats

Layout: 3-3-3
Pitch: 33-34"
Width: 18.5"
Recline: 5"

Standard seat with 5" of recline.

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

JL51 questions

Flying JL51? Answered.

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

The highest-rated seat on JL51 is 17C in Premium 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 2A in First (6.0), 5A in Business (6.0) and 45C in Economy (8.8).

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