I am not a dispensationalist. I don’t really go for the end times and rapture stuff, despite being an Evangelical. The best thing we can do for Israel is to share the Gospel with Israelis.
All you have to do is look at Daniel 8, 9, 12 and Revelation 13, 16 and 19. 2nd Thess, Luke 17/21, Matthew 24.
The rapture is absolutely real. One can debate the timing of it.