On Delta Air Lines in 2026, a domestic "First Class" ticket does not automatically grant you access to the Delta Sky Club. This is a common point of confusion for many travelers. Delta reserves Sky Club access for passengers flying in Delta One (their premium long-haul international or select transcontinental business class), or for those who hold specific "lounge-access" credentials. To enter the lounge when flying domestic First Class, you must typically have a Delta SkyMiles Reserve American Express Card, an Amex Platinum Card, or an individual Sky Club Membership (which is now only available for purchase by Medallion status members). Even if you have Diamond Medallion status, you still need a qualifying card or a choice benefit selection to enter. The only exception where a "First Class" ticket might include lounge access is if it is part of an international itinerary that connects to a Delta One or SkyTeam partner flight. For standard domestic hops between U.S. cities, your First Class ticket gets you a better seat, free drinks, and a meal, but the lounge remains a separate, exclusive perk.