No one gets back onboard. That's my call.
The Co-Pilot, to Ms. Lewton about Flight 180.
After Alex has a premonition that Flight 180 will explode, he and Carter start fighting and they get kicked off the plane along with Terry, Ms. Lewton, Tod, Clear, and Billy. The co-pilot tells Ms. Lewton that no one is getting back on the plane.
The co-pilot gets back on the plane and it explodes, killing him and others.