s05

On the way back to the island, Sun was the only Ocean 6 that didn´t get to 1977. Here´s my theory: Once Sun and Jin meet again, they would want to leave the island, and that wouldn´t work. So the island avoided their encounter. Also, Sun has a daughter in 2007.

As on S05e10, Ethan was born on the island and is also from the Dharma Initiative. So, how did he manage to survive to the purge, considering he was only a child?