How are the cabins arranged on Iberia flight IB304's Airbus A350-900?

Business rows 1-8 are usually 1-2-1, with row 1 arranged 1-2-0. Premium Economy rows 11-15 are 2-4-2; rows 12 and 14 are also listed as 2-4-2. Economy rows 21-54 are 3-3-3, except row 37 (0-3-0), row 38 (2-3-2) and row 54 (2-0-2).

What is the average seat rating on IB304?

The 348 seats on the Iberia Airbus A350-900 flying IB304 average 5.8 out of 10 for comfort. By cabin: Business 6.0, Premium Economy 6.7 and Economy 5.7. 10 seats rate Good or better, and 41 rate below average.

What legroom and seat widths are listed for each cabin on Iberia flight IB304?

Business seats have 78.7" of legroom and are 25" wide. Premium Economy seats have 37" of legroom and are 19" wide; Economy seats have 30-32" of legroom and are 18.1" wide.

What route does IB304 fly?

IB304 is the Iberia flight from Mexico City (MEX, Mexico City Benito Juárez International) to Madrid (MAD, Adolfo Suárez Madrid-Barajas), flown on the Airbus A350-900. It takes about 12h for 9,067 km (5,634 miles), estimated from the great-circle distance.

Which seats recline fully flat on Iberia flight IB304, and how far do seats recline in the other cabins?

Business seats are full flat seats with 180° recline. Premium Economy recline is 7", and Economy recline is 5-6".

Can I check real-time seat availability on IB304?

Yes. Open IB304 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 are marked as exit-row or extra-legroom seats on Iberia flight IB304?

The exit-row seats are Premium Economy 11A, 11C, 11J and 11L, and Economy 38B, 38C, 38J, 38K, 39A and 39L. Extra-legroom seats are Premium Economy 11A, 11C, 11J, 11L, 12D, 12E, 12G and 12H, and Economy 21A, 21B, 21C, 21J, 21K, 21L, 37D, 37E, 37H, 38B, 38C, 38J, 38K, 39A and 39L.

IB304 seat map

Iberia Airbus A350-900, 3 classes, from Mexico City (MEX) to Madrid (MAD)

Departs: Mexico City (MEX); Mexico City Benito Juárez International, Mexico
Arrives: Madrid (MAD); Adolfo Suárez Madrid-Barajas, Spain
Flight time: About 12h; Estimated from 9,067 km (5,634 miles)
Aircraft: Airbus A350-900; 3 classes, 1 deck

Your flight date

Check live availability

IB304 is the Iberia flight from Mexico City (MEX) to Madrid (MAD), scheduled on an Airbus A350-900 with 348 seats in 3 classes: 31 in Business, 24 in Premium Economy and 293 in Economy. The best seats are 2A in Business, 11C in Premium Economy and 21C in Economy. Avoid row 54 at the back of Economy: limited recline, near the lavatories and the galley.

IB304 interactive seat map

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

Seat scores on IB304

Covers all 348 seats on the aircraft.

Excellent9.0+0 seats
Good7.0 to 8.910 seats
Fair5.0 to 6.9297 seats
Below average3.0 to 4.925 seats
Poorunder 3.016 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
Aisle seat, extra legroom, exit row, near galley, no floor storage
Best in Economy
Good8.8 / 10
Aisle seat, extra legroom, no floor storage, tray in armrest

Seat data verified October 13, 2026. How we verify seat data

Which plane is IB304 on?

The aircraft and layout our seat map for IB304 comes from.

Date	Sun, Oct 25
Aircraft	Airbus A350-900
Layout	31J, 24W, 293Y (348 seats)

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

IB304 airports

Where the flight leaves from and lands.

Departure: Mexico City Benito Juárez International MEX; Mexico City, Mexico
Arrival: Adolfo Suárez Madrid-Barajas MAD; Madrid, Spain

Seats by cabin on IB304

How the 348 seats on this aircraft split by cabin.

Business31 seats
Premium Economy24 seats
Economy293 seats

Open seats change daily. Check live availability for your date

Best seats on IB304

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 1 to 8, 31 seats

Top picks

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

Seats to avoid

No seat in this cabin scores below Fair.

Best for

Window
Aisle
Sleep
Couples

Premium Economy

Rows 11 to 15, 24 seats

Top picks

Aisle seat, extra legroom, exit row, near galley, no floor storageGood8.6 / 10
Aisle seat, extra legroom, exit row, near galley, no floor storageGood8.6 / 10
Aisle seat, extra legroom, near galley, no floor storageGood8.6 / 10

Seats to avoid

No seat in this cabin scores below Fair.

Best for

Window
Aisle
Extra legroom
Sleep
Couples

Economy

Rows 21 to 54, 293 seats

Top picks

Aisle seat, extra legroom, no floor storage, tray in armrestGood8.8 / 10
Aisle seat, extra legroom, no floor storage, tray in armrestGood8.8 / 10
Window seat, extra legroom, exit row, cold by exit, no floor storageGood8.4 / 10

Seats to avoid

Window seat, limited recline, near lavatoryPoor2.2 / 10
Aisle seat, limited recline, near lavatoryPoor2.2 / 10
Aisle seat, limited recline, near lavatoryPoor2.2 / 10

Best for

Window
Aisle
Extra legroom
Sleep
Couples

Row-by-row notes for IB304

The rows worth knowing about before you choose, from the Airbus A350-900 cabin layout. New to terms like bulkhead or pitch? See the seat-map glossary.

Row 1Business. First row of the cabin: near the lavatories and the galley.
Row 8Business. Last row of the cabin: near the galley.
Row 11Premium Economy. First row of the cabin and an exit row: extra legroom; near the galley, no floor storage and tray table in the armrest.
Row 12Premium Economy. Extra legroom; near the galley, no floor storage and tray table in the armrest.
Row 15Premium Economy. Last row of the cabin.
Row 21Economy. First row of the cabin: extra legroom; no floor storage and tray table in the armrest.
Row 35Economy. Near the lavatories.
Row 36Economy. Limited recline, near the lavatories.
Row 37Economy. Extra legroom; near the lavatories, no floor storage and tray table in the armrest.
Row 38Economy. Exit row: extra legroom; near the lavatories, no floor storage and tray table in the armrest.
Row 53Economy. Near the lavatories and the galley.
Row 54Economy. Last row of the cabin: limited recline, near the lavatories and the galley.

Cabins on IB304

Layout, legroom and amenities in each class on the Iberia Airbus A350-900.

Compare Wi-Fi and entertainment across airlines

Business

Rows 1 to 8, 31 seats

Layout: 1-2-1
Pitch: 78.7"
Width: 25"
Recline: 180°

Lie-flat seat.

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

Premium Economy

Rows 11 to 15, 24 seats

Layout: 2-4-2
Pitch: 37"
Width: 19"
Recline: 7"

Standard seat with 7" of recline.

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

Economy

Rows 21 to 54, 293 seats

Layout: 3-3-3
Pitch: 30-32"
Width: 18.1"
Recline: 5-6"

Standard seat with 5-6" of recline.

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

IB304 questions

Flying IB304? Answered.

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

The highest-rated seat on IB304 is 21C in Economy, with a comfort score of 8.8 out of 10: aisle seat, extra legroom, no floor storage, tray in armrest. In the other cabins, the best seats are 2A in Business (6.0) and 11C in Premium Economy (8.6).

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