How is the United Economy® cabin laid out on United Airlines flight UA978?

United Economy® spans rows 7-41 and has a 3-3 layout, with row 21 differing at 2-2. The cabin has 160 seats.

What is the average seat rating on UA978?

The 176 seats on the United Airlines Boeing 757-200 flying UA978 average 5.5 out of 10 for comfort. By cabin: United Polaris® business class 5.8 and United Economy® 5.5. 5 seats rate Good or better, and 33 rate below average.

What seat dimensions and recline are listed for United Polaris® business class on UA978?

The seats have 76" of legroom and are 20.6" wide. They recline 180° into a full flat seat.

What route does UA978 fly?

UA978 is the United Airlines flight from Washington (IAD, Washington Dulles International) to Edinburgh (EDI, Edinburgh), flown on the Boeing 757-200. It takes about 7h 40m for 5,581 km (3,468 miles), estimated from the great-circle distance.

Which United Economy® seats on UA978 have limited or no recline?

The listed recline is 3". Seats with limited recline are 12A, 12B, 12C, 12D, 12E, 12F, 20A, 20B, 20C, 20D, 20E, 20F, 41A, 41B, 41C, 41D, 41E, and 41F; seats with no recline are 21B, 21C, 21D, and 21E.

Can I check real-time seat availability on UA978?

Yes. Open UA978 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 United Economy® window seats on UA978 are listed as misaligned?

The misaligned window seats are 10A, 10F, 11A, and 11F.

UA978 seat map

United Airlines Boeing 757-200, 2 classes, from Washington (IAD) to Edinburgh (EDI)

Departs: Washington (IAD); Washington Dulles International, United States
Arrives: Edinburgh (EDI); Edinburgh, United Kingdom
Flight time: About 7h 40m; Estimated from 5,581 km (3,468 miles)
Aircraft: Boeing 757-200; 2 classes, 1 deck

Your flight date

Check live availability

UA978 is the United Airlines flight from Washington (IAD) to Edinburgh (EDI), scheduled on a Boeing 757-200 with 176 seats in 2 classes: 16 in United Polaris® business class and 160 in United Economy®. The best seats are 2A in United Polaris® business class and 22A in United Economy®. Avoid row 12 in United Economy®: limited recline.

UA978 interactive seat map

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

Seat scores on UA978

Covers all 176 seats on the aircraft.

Excellent9.0+0 seats
Good7.0 to 8.95 seats
Fair5.0 to 6.9138 seats
Below average3.0 to 4.917 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® business class
Fair6.0 / 10
Window seat
Best in United Economy®
Good8.8 / 10
Window seat, extra legroom, exit row, cold by exit, no floor storage

Seat data verified September 28, 2026. How we verify seat data

Which plane is UA978 on?

The aircraft and layout our seat map for UA978 comes from.

Date	Sun, Oct 4
Aircraft	Boeing 757-200
Layout	16J, 160Y (176 seats)

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

UA978 airports

Where the flight leaves from and lands.

Departure: Washington Dulles International IAD; Washington, United States
Arrival: Edinburgh EDI; Edinburgh, United Kingdom

Seats by cabin on UA978

How the 176 seats on this aircraft split by cabin.

United Polaris® business class16 seats
United Economy®160 seats

Open seats change daily. Check live availability for your date

Best seats on UA978

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® business class

Rows 1 to 4, 16 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

Best for

Window
Aisle
Sleep
Couples

United Economy®

Rows 7 to 41, 160 seats

Top picks

Window seat, extra legroom, exit row, cold by exit, no floor storageGood8.8 / 10
Window seat, extra legroom, exit row, cold by exit, no floor storageGood8.8 / 10
Aisle seat, extra legroom, exit row, near lavatory, near galleyGood8.8 / 10

Seats to avoid

Window seat, limited recline, cold by exitPoor1.8 / 10
Window seat, limited recline, cold by exitPoor1.8 / 10
Window seat, limited recline, near lavatoryPoor2.5 / 10

Best for

Window
Aisle
Extra legroom
Sleep
Couples

Row-by-row notes for UA978

The rows worth knowing about before you choose, from the Boeing 757-200 cabin layout. New to terms like bulkhead or pitch? See the seat-map glossary.

Row 1United Polaris® business class. First row of the cabin: near the galley.
Row 4United Polaris® business class. Last row of the cabin: near the lavatories and the galley.
Row 7United Economy®. First row of the cabin and an exit row: extra legroom; near the lavatories and the galley, no floor storage and tray table in the armrest.
Row 12United Economy®. Limited recline: the row sits in front of an exit row.
Row 20United Economy®. Exit row: extra legroom; limited recline, no floor storage.
Row 21United Economy®. Exit row: no floor storage.
Rows 39 to 40United Economy®. Near the lavatories.
Row 41United Economy®. Last row of the cabin: limited recline, near the lavatories and the galley.

Cabins on UA978

Layout, legroom and amenities in each class on the United Airlines Boeing 757-200.

Compare Wi-Fi and entertainment across airlines

United Polaris® business class

Rows 1 to 4, 16 seats

Layout: 2-2
Pitch: 76"
Width: 20.6"
Recline: 180°

Lie-flat seat.

No Wi-Fi
AC/USB power
Free on demand entertainment

United Economy®

Rows 7 to 41, 160 seats

Layout: 3-3
Pitch: 30-31"
Width: 16.55-17.8"
Recline: 3"

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

No Wi-Fi
AC/USB power
Free on demand entertainment

UA978 questions

Flying UA978? Answered.

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

The highest-rated seat on UA978 is 22A in United Economy®, with a comfort score of 8.8 out of 10: window seat, extra legroom, exit row, cold by exit, no floor storage. In the other cabin, the best seat is 2A in United Polaris® business class (6.0).

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