Revealing mistake: When they are walking under the starry sky at the end of the episode the lighting starts. The clouds are dark and heavy...and behind the stars.
Revealing mistake: Grace is lugging two suitcases down the stairs. She is acting as if they are very heavy. Ben offers to help and takes them from her. But he carries one with a bent elbow, and it is obvious that it is not really heavy at all. (00:13:30)
Ghost Plane - S4-E13
Revealing mistake: When Michaela and Jared arrest Cheryl, Jared takes the money out of her bag and you can see the "For Motion Picture Use Only" designation on the bills. (00:32:00)
Answer: Only superficially. Manifest doesn't even begin with a plane crash, but rather a plane disappearing for 5 years with the assumption that it crashed, which turns out not to be true.
BaconIsMyBFF
In the particulars it seems different, but the overall plot is the same. A seemingly random group on an airplane experience a weird event and spend years trying to figure out what happened. Let's hope the reveal in the final episode is not as disappointing as "LOST" - they're actually all dead.