https://support.communitybrands.com/hc/en-us/community/posts/30726999270285--%F0%9D%9F%8F-888-829-1467-What-is-included-in-the-United-premium-economy
When considering whether to upgrade to premium economy, it largely depends on individual priorities. Many travelers value the extra space, especially on long-haul flights, where Premium Plus seats typically offer 5 to 7 extra inches of legroom and width. If the fare difference is only 15 to 20%, it may well be worth the upgrade for added comfort.
