United Airlines and JetBlue announced their new partnership, Blue Sky, earlier this year. On October 23rd, the airlines launched the ability to earn and redeem points across both airlines under this new partnership.
United MileagePlus customers can now earn and use miles on JetBlue flights, while TrueBlue members can earn and use points on United flights, allowing travelers access to new destinations.
Additional benefits are expected to launch in early 2026.
You can find more information here.