In the 2026 aviation market, Premium Economy and Premium Plus are essentially the same "class" of service, but the terminology varies by airline. "Premium Plus" is the specific brand name used by United Airlines for its dedicated premium economy cabin. On carriers like United, Delta (Premium Select), and American (Premium Economy), this is a separate cabin with wider seats, more legroom (38 inches), deeper recline, and upgraded dining on porcelain dishes. This is distinct from "Economy Plus" or "Main Cabin Select," which are just standard economy seats with a few extra inches of legroom. For 2026 travelers, Premium Plus/Premium Economy offers a "Business-lite" experience, including priority boarding, two free checked bags, and noise-canceling headphones. If you see "Premium Plus" on your 2026 itinerary, you are getting a significantly upgraded hard product, not just a standard seat with a bit more knee room at the front of the plane.