United Airlines' Polaris cabin has been a subject of debate since its launch, but the latest refresh on the JFK–London Heathrow route represents a genuine step forward.

The lie-flat seats now measure 78 inches fully reclined, with a direct-aisle configuration that eliminates the awkward over-neighbor climb. The bedding, in partnership with Saks Fifth Avenue, is genuinely comfortable — not the marketing exercise it once felt like.

Meal service has improved dramatically. A pre-order system introduced last year means your first choice is almost always available, and the wine list has been curated by a Master Sommelier.