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Centurion · IAH
One of the smaller Centurions and often crowded; the 3-hours-before-departure entry limit is enforced. Inferred by source
Delta Reserve
Same-day Delta-operated flight (Centurion when flight booked on the card) · guests $50 Inferred by source
Amex Platinum
Cardholder + same-day boarding pass; guests $50 · guests $50 Inferred by source