Fullness of the Gentiles wrote,
Matthew 24:29-31 tells us of Christ sending His angels to gather His elect immediately after the tribulation of those days.
Please take note of the part of what you said I marked in red, because I'm going to come back to that. There are some things you are overlooking, beginning with what David said below:
There are another two things you are overlooking.
1. Grammar (which you are ignoring): Which tribulation is the Lord speaking about in Matthew 24:29, and whose tribulation is He speaking about?
It's the same tribulation that the words "and", "therefore", "for", "but" and "because" join the tribulation introduced in Matthew 24:9 to the tribulation of verse 21 and verse 29. There's only one tribulation being spoken about, and it's the tribulation of the saints:
Revelation 7:13-14
" And one of the elders answered, saying unto me, What are these which are arrayed in white robes? and whence came they? And I said unto him, Sir, thou knowest. And he said to me, These are they which came out of mégas thlîpsis (great tribulation), and have washed their robes, and made them white in the blood of the Lamb."
Revelation 2:21
"Behold, I will cast her (Jezebel) into a bed, and them (those Christians) that commit adultery with her into mégas thlîpsis (great tribulation), except they repent of their deeds.
Matthew 24:21-22
"for then shall be mégas thlîpsis (great tribulation), such as has not been since the beginning of the world to this time; no, nor ever shall be. And unless those days should be shortened, no flesh would be saved. But for the elect's sake, those days shall be shortened.
Matthew 24:9
"Then they will deliver you up to thlîpsis (tribulation) and will kill you. And you will be hated of all nations for My name's sake. And then many will skandalízō, and will betray one another, and will hate one another."
Matthew 13:21
"But he has no root in himself, and is temporary. For when thlîpsis (tribulation) or persecution arises on account of the word, he immediately skandalízō."
The above are the only three times great tribulation is mentioned in the N.T.
Yes. COMMON THEMES: OLIVET DISCOURSE/THE FINAL SON OF PERDITION (2 Thessalonians 2)
Both passages involve the time of the end.
Both passages involve apostasy.
Both passages involve lawlessness of the part of Christians.
Both passages are talking about events leading up to the coming of the Son of man.
Both passages involve an abomination in the temple of God:
Daniel 11:36-37
And the king shall do according to his will. And he shall exalt and magnify himself above every god, and shall speak marvelous things against the God of gods, and shall prosper until the fury is fulfilled. For that which is decreed shall be done. He will not regard the God of his fathers, nor the desire of women, nor regard any god. For he shall magnify himself above all.
2 Thessalonians 2:3-4
Let not anyone deceive you by any means. For that Day shall not come unless there first comes a falling away, and the man of sin shall be revealed, the son of perdition, who opposes and exalts himself above all that is called God, or that is worshiped, so that he sits as God in the temple of God, setting himself forth, that he is God.
I know that you are aware that the abomination that was set up in the second temple by Antiochus IV Epiphanes did not result in the destruction of the temple. After AE4 was booted out by the Maccabees, the temple was cleansed and re-consecrated to God.
The abomination that was set up by AE4 is written about in Daniel 8:11; Daniel 11:31; and Daniel 12:11. In chapter 12 the entire chapter is written in such a way as to project what was done by AE4 onto the end of this Age, and the time of the resurrection, where
Daniel 12:7-10 even links to Revelation 10:5-7:
@Spiritual Jew I changed this paragraph below to make it clearer:
Compare Daniel 11:36-37 with 2 Thessalonians 2:3-4 and Daniel 12:7-10 with Revelation 10:5-7 because
they are talking about the time of the end of the Age and
the abomination of desolation spoken of by Daniel the prophet standing in
the holy place (let the reader understand).
And what the reader needs to understand is that
the holy place mentioned in Matthew 24:15 is not the temple in Jerusalem mentioned earlier in the same passage, but the New Testament Temple.
There is one abomination (singular) being spoken of in Matthew 24:15, and
it's not the overspreading of abominations written about in Daniel 9:27 associated with the destruction of the 2nd temple in Jerusalem in 70 A.D.
So why are the disciples told to flee Judea?
There is something we don't know yet, because the 7 thunders in Revelation 10 are still sealed (also Daniel 12 tlles us there is something still sealed), the mystery of God which He has declared to the prophets is not yet finished, and we will only know the answer to the question of "Why Judea?" when the 7th trumpet is beginning to sound or is about to sound.
Here's a maybe: Judea represents any city the saints are dwelling in:
7th bowl - the cities of the nations fall.
There was no Dallas and Los Angeles and Miami and Sydney and Auckland and London when the Lord gave the Olivet Discourse. So
maybe Judea represents all nations where the saints are dwelling.
But don't bet your dollars on a maybe.
You have Matthew 24:23 and following separated from Mathew 24:15-22 but linked with Matthew 24:9-14. The grammar itself in the passage betrays that as nonsense.
15 When ye
therefore [oûn] shall see the abomination of desolation, spoken of by Daniel the prophet, stand in the holy place, (whoso readeth, let him understand

(KJV)
[*StrongsGreek*]
03767
οὖν oûn, oon
apparently a primary word;
(adverbially) certainly, or (conjunctionally) accordingly:--and (so, truly), but, now (then), so (likewise then), then, therefore, verily, wherefore.
You seem to have that
"therefore" word linked to the destruction of the (Jerusalem) temple instead of to the verses that immediately precede verse 15. But the verses which precede verse 15 are introduced by the birth-pains which lead up to the time of the end (verse 14) and the tribulation of the disciples when they become hated of all nations for His name's sake.
So you ignore Matthew 24:4-14 in order to interpret the word "therefore" in verse 15 only in relation to
the destruction of the (Jerusalem) temple (probably because you relate the abomination of desolation to that temple instead of to the New Testament Temple?)
.
@Spiritual Jew I added to this for you:
The Lord spoke about the destruction of the temple. His disciples did not
only ask Him when this would take place but they
also asked Him for the sign of His coming and the end of the Age.
But the Lord was speaking about two different temples in two different "end of the Ages". The second temple being the only one that existed as the temple of God following the tearing of the veil in the first one.
It's 100% clear to me now that Matthew and Mark were far more concerned with recording what Jesus said about the coming tribulation of the disciples at the end of the Age, and telling them about this, than they were
with what later generations would need to know about the destruction of the Jerusalem temple. Luke is the only one who interrupts this same theme of the tribulation of the disciples and their coming redemption with talking about the wrath of God to come upon Jerusalem.
An abomination placed in a temple is not an abomination to God unless it's placed in the temple of God. The temple of God became the New Testament temple following the death of Jesus, when the veil in the Jerusalem temple was torn.