Can an airplane fly forever? Luminati Aerospace of Calverton, N.Y. thinks so. It says it has developed algorithms and autopilots that enable its aircraft to harvest wind gusts and fly in v-formations like geese. It thinks that might do the trick.
Airplane fly forever William Lawrence Sr Omnibit 11-15-19

I don’t know about a plane actually flying forever, but if you have a bumpy flight or an obnoxious seat-mate, it can sure seem that way >>