I should say up front that, whilst the Japan Airlines / Marriott Bonvoy partnership also has benefits for lower-tier Marriott Bonvoy members, you are unlikely to find them worth bothering with. As long as the JAL and Marriott partnership continues, Titanium members of Marriott Bonvoy will continue to have British Airways Bronze-equivalent status. Full details can be found on the Marriott Bonvoy website here which is also where you can link your Marriott Bonvoy and Japan Airlines accounts. If you want to learn more about how to earn Marriott Bonvoy status to take advantage of this, you can read our complete guide to Marriott Bonvoy here. How to earn Marriott Bonvoy points and status from UK credit and debit cards (August 2026)There are various ways of earning Marriott Bonvoy points from UK credit and debit cards.