Sefer Elijah (c. 15th century) teaches that the angel who appeared to Elijah on Mt. Carmel was Michael; Michael disclosed some teachings concerning the end-times to Elijah.
“Sefer Elijah,” in John C. Reeves, Trajectories in New Eastern Apocalyptic: A Postrabbinic Jewish Apocalypse Reader (Resources for Biblical Study 45; Atlanta: Society of Biblical Literature, 2005), 31-33
And he lay down and feel asleep beneath a broom-shrub. Then, lo, this angel touched him and said, “Get up, eat!” (1 Kgs 19:5). Michael, “the great prince” of Israel, revealed this mystery to the prophet Elijah at Mount Carmel; (namely) the eschaton and what was scheduled to transpire at the End of days at the end of the four empires (and) the things that would take place during the reign of the fourth ruler.
A wind from the Lord lifted me [i.e., Elijah] up and transported me to the southern part of the world, and I saw there a high place burning with fire where no creature was able to enter. Then the wind lifted me up and transported me to the eastern part of the world, and I saw there starts battling one another incessantly. Again, the wind lifted me up and transported me to the western part of the world, and I saw there souls undergoing a painful judgment, each one in accordance with its deeds.
Then Michael said to me, “The appointed time for the End of days will occur during the reign of a king who will be named תרמילא.