https://www.jetblue.com/trueblue/mos...saic-on-the-dlBreaking up is hard to do.But who has to know? We’ve made it easy for you to cozy up to a new loyalty program and see where it goes. 

For a limited time¹, Delta SkyMiles Medallions can join the JetBlue family with an exclusive offer to match their status to Mosaic. Once your status is matched, it will be valid until 12/30/23, and you can then keep that status through 2024 by completing a challenge. Make the most of your Medallion with Mosaic status—and the all-new perks we launched this year—as follows:
Delta Silver Medallions will be matched to Mosaic 1  Delta Gold Medallions will be matched to Mosaic 2  Delta Platinum Medallions will be matched to Mosaic 3  Delta Diamond Medallions will be matched to Mosaic 4