What is the economy seat pitch on the United Airlines 787-9 Dreamliner?

Economy seat pitch on the United Airlines 787-9 Dreamliner (United 787-9 Polaris) is 31 inches. Pitch is the distance from one seat to the same point on the seat in front — the larger the number, the more legroom you have.

Does the United Airlines 787-9 Dreamliner have power outlets?

Yes. Power is available in Polaris Business, Premium Plus, Economy on the United Airlines 787-9 Dreamliner (United 787-9 Polaris). Check each seat's detail panel on this map for AC vs USB and whether the outlet is shared.

How many seats does the United Airlines 787-9 Dreamliner have?

The United Airlines 787-9 Dreamliner (United 787-9 Polaris) has 257 seats across Polaris Business, Premium Plus, Economy. Use the map below to see the exact cabin layout and pick a seat.

United Airlines 787-9 Dreamliner

United 787-9 Polaris · 257 seats

Polaris Business78" pitch · 22" wide

Premium Plus38" pitch · 19" wide

Economy31" pitch · 17.2" wide

Single sourceUpdated May 2026Active as of Feb 2026

⚠ Avoid:55B55C55D55E55F55J+15 more

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Select a seat

Click any seat on the map to see its rating, legroom, and amenities.

Quick Guide

Green = Best seats with extra legroom or great views

Blue = Good seats with above-average comfort

Amber = Some trade-offs (limited recline, etc.)

Red = Avoid if possible (no recline, cramped)

Cabin Classes

Polaris Business

48 seats · 78" pitch

Premium Plus

21 seats · 38" pitch

Economy

149 seats · 31" pitch

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About the United Airlines Boeing 787-9 Dreamliner

This United Airlines Boeing 787-9 Dreamliner features 257 seats in a Polaris Business / Premium Plus / Economy configuration.

Polaris Business class offers 48 seats with 78" seat pitch and 22" width. Premium Plus class offers 21 seats with 38" seat pitch and 19" width. Economy class offers 149 seats with 31" seat pitch and 17.2" width. Use the interactive seat map above to explore each cabin class and find the best seat for your next flight.

All United Airlines Seat Maps All Boeing 787-9 Dreamliner Configurations

United Airlines 787-9 Dreamliner

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