It is quite wrong to say that the rapture is scriptural, it is no such thing. There are no references to it, zero, nada in the Bible. The idea comes from a Latin translation of a verb, “snatch,” which the Vulgate uses a word with the root “rapt” to translate.
The Rev. Canon Dr. Kendall S. Harmon, The Challenge of the “Left Behind” Series, The Anglican Digest
The Very Rev. Dr. Leander S. Harding 