American Airlines Platinum from LuxuryAscent — AAdvantage Platinum = Oneworld Sapphire for 4 months, extendable to 12. Business Class lounge access at AA, BA, Cathay, Qantas. MCE seats, Same-Day Flight Change, and 3 free bags. Priced at $299. Activation typically 5–7 business days. No qualifying nights or flights required — status is added directly to your existing loyalty account.