According to reports, Samsung has started mass producing the Galaxy S22 series. Theoretically, this puts the Galaxy S22, Galaxy S22 Plus and Galaxy S22 Ultra on track for a January or February 2022 release.
https://www.notebookcheck.net/Samsung-starts-mass-producing-the-Galaxy-S22-Galaxy-S22-Plus-and-Galaxy-S22-Ultra.576486.0.html