Beloved Sons: We are are going to dismantle this by the Scriptures. Remember we are talking about the rapture, is disappearance of the saints pre or mid or post-tribulation. So in essence we know we are talking about the return of the Lord. Now let's first examine Jesus words in the passage of Scripture.
In Luke 17:26,27 it speaks of just like it was in the days of Noah, so shall it be in the days of the coming of the Son of Man. In verse 27 it speaks of what they were doing until the day that Noah entered the Ark and the flood came and destroyed them all. Now Jesus gives us the point of reference as it pertained to his return and he started with the testimony of Noah. We know from Genesis the the earth was full of wickedness and God found favor and righteousness in Noah. God gives Noah the instructions to build the ark, He warns the people of the coming rain but He was mocked by the people. In Scripture, rain or water is the picture of the Word of God and the Scriptures say that the earth will be filled with the knowledge of God and this is by His Word.
Now who was taken and who was left in the Scripture as it pertains to Noah? Noah was left but the wicked were taken. Remember just as wickedness filled the earth in that day, so should iniquity fully mature before the coming of Jesus Christ. And in that instance the wicked were destroyed or taken off the earth, not the righteous. I urge you to read, read, read the Scriptures for yourself and always use the context principle when seeking interpretation.