There are several points that one can draw from the scripture.
First, it is not possible to know the timing of the rapture, either relative to other events which we can understand and may be able to see or on the overall timeline.
Two, there are several timeline points which are impossible to reconcile to a specific point in the developments. Those points are:
The rapture does not happen until the man of sin is revealed.
We who remain can believe that the rapture will occur prior to the day of Wrath. The last verse in Revelation chapter six, 6:17 says that the day of wrath is at hand—presumably a reasonable reading that it hasn’t started yet a that point but is about to start following the events described earlier in chapter six.
There is no tie between the day of wrath and the Abomination of Desolation event at which the Great Tribulation starts—thus we are not able to determine conclusively when the rapture occurs relative to the beginning of the Great Tribulation period.
So in faith we proceed knowing the truth of what God has told us and recognizing that there are things which He does not think we need to understand but must accept in faith.
When Paul wrote 2 Thess 2 he was indicating to the Believers (the church in Thessalonika) that they would know they missed the Rapture removal of the Body of ALL BElievers IF they saw the man of sin revealed. It is AFTER the man of sin is revealed that the physical return of Jesus to the Mount of Olives is predictable. The counting ot eh two 3 1/2 yer periods of the Tribulation begins with the peace treaty/compact signed by the man of sin with Israel. The Tribulation comes upon the whole world, but the focal point during the Tribulation is Jerusalem and the Time of Jacob’s Troubles.