A theory about Manifest season 4 explains how the passengers can stop the Death Date without following Ben’s Lifeboat theory.
Surviving the Death Date – which is fated to happen on June 2, 2024 – is currently the biggest challenge facing Ben, Michaela, Saanvi, and all the other Flight 828 passengers.
But though they know when it is, what they don’t have is a way past it. That being said, the passengers do have at least a semblance of a plan for dealing with Manifest's Death Date.
The deaths of Kory, Pete, and Jace was a teaching moment for the main characters that helped them realize how complicated surviving the Death Date really is.
Read more on screenrant.com