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The new Delta Sky Club at San Francisco International airport opened in September 2015, replacing the airline’s former landside lounge. To call it an upgrade would be an understatement. The Sky Club is located on a mezzanine level above the concourse. Enter near gate C3. Friendly and courteous agents will greet you and give you an overview of the facilities with visible and justified pride. Then, climb up the stairs or catch the elevator and you’ll reach a modern, snazzy and spacious customer service area with designer seats.