In the United Airlines fare system for 2026, Class Z is a specific "booking code" used for discounted Business Class tickets. While the passenger still enjoys the full United Polaris or United Business experience—including the lie-flat seat, premium dining, and lounge access—the "Z" designation means the ticket was purchased at a lower price point than a full-fare "J" or high-fare "C" or "D" ticket. For frequent flyers, Class Z is important because it determines how many Premier Qualifying Points (PQP) and miles you earn; typically, a Z fare earns miles at a rate of 200% of the flight distance for partner-operated flights, though for United-operated flights, it is based on the dollar amount spent. Class Z tickets are also usually more restrictive than full-fare business tickets, often having higher change or cancellation fees. It is the most common fare bucket for travelers who find "sale" prices on business class or who book their premium travel through a corporate travel portal that prioritizes the most affordable business class option available.