Citi's AAdvantage Platinum Select is offering 80,000 miles — but check the 48-month rule first

American Airlines fans have a rare window right now: the Citi / AAdvantage Platinum Select World Elite Mastercard is paying new cardholders 80,000 AAdvantage miles after spending $3,500 in the first four months. That matches the biggest bonus the card has ever carried, and it's enough for meaningful award travel on AA and partner airlines if you're strategic with redemptions.

Before you apply, though, Citi's fine print matters more than usual. The bank enforces a 48-month rule: if you've earned a welcome bonus on the Platinum Select at any point in the last four years, you won't get another one. Crucially, the clock starts when the bonus posted to your account — not when you opened or closed the card. So someone who grabbed a bonus three years ago and has since closed the account is still locked out for roughly another year.

Conversions count too. If you ever product-changed another Citi card into a Platinum Select and that original account earned a welcome bonus within the past 48 months, you're similarly ineligible. The flip side: holding other Citi cards, or earning bonuses on different Citi products, doesn't disqualify you. Only a Platinum Select-linked bonus inside the 48-month window blocks the current offer.

There are a couple of wider guardrails to keep in mind. Citi generally approves only one card application per applicant every eight days, with a cap of two cards within any 65-day stretch. And while approval isn't guaranteed by a number alone, a credit score of around 670 or higher is a sensible benchmark before you submit an application.

For travellers, the maths is straightforward: 80,000 AAdvantage miles can cover economy transatlantic round trips with room to spare, or put a serious dent in a domestic award — and AAdvantage miles work across oneworld partners too. If you already bank miles with American, a bonus at this level doesn't come around often, so it's worth acting while it lasts. If you've held the card recently, check your bonus date first so you don't burn an application and a hard credit inquiry for nothing.