No. They are separate shows.
Lost
Flash Forward ended in 1997.
The duration of Flash Forward is 1320.0 seconds.
flash back has already happened!
Flash Forward was created on 1996-09-07.
There currently is one...
Flash forward
The Flash - 1990 Fast Forward 1-14 was released on: USA: 27 February 1991
Ya he was but only for a little.
authorization
If he does not give you Flash, then you just lost the battle. He always gives out Flash.
A flash forward is a narrative device in which the story temporarily jumps ahead in time to show events that are expected to happen in the future. It provides viewers with a glimpse of what is to come, creating suspense and intrigue.