Originally Posted by Tokyoite

unfortunately none. you need the miles to do a booking, and Amex doesn't transfer instantly.
Only way to BOTH secure the available seats right away and also use your Amex points, is to transfer instead to a star alliance program that does instant transfers (after of course doing your due diligence on availability, mileage costs, taxes etc., )
Aeroplan or Lifemiles seem appropriate.
https://thepointsguy.com/guide/ameri...ransfer-times/