Matthew 10:22, Matthew 24:13, and Mark 13:13
- And ye shall be hated of all [men] for my name's sake: but he that endureth to the end shall be saved. (Matthew 10:22)
- But he that shall endure unto the end, the same shall be saved. (Matthew 24:13)
- And ye shall be hated of all [men] for my name's sake: but he that shall endure unto the end, the same shall be saved. (Mark 13:13)
Salvation and being saved in the scriptures don't always refer to our eternal destination.
Examples of earthly (flesh prevented from dying) salvation:
- And Moses said unto the people, Fear ye not, stand still, and see the salvation of the LORD, which he will shew to you to day: for the Egyptians whom ye have seen to day, ye shall see them again no more for ever. (Exodus 14:13)
- For he did put his life in his hand, and slew the Philistine, and the LORD wrought a great salvation for all Israel: thou sawest [it], and didst rejoice: wherefore then wilt thou sin against innocent blood, to slay David without a cause? (1 Samuel 19:5)
- Ye shall not [need] to fight in this [battle]: set yourselves, stand ye [still], and see the salvation of the LORD with you, O Judah and Jerusalem: fear not, nor be dismayed; to morrow go out against them: for the LORD [will be] with you. (2 Chronicles 20:17)
- And they said, Thou hast saved our lives: let us find grace in the sight of my lord, and we will be Pharaoh's servants. (Genesis 47:25)
- Thus the LORD saved Israel that day out of the hand of the Egyptians; and Israel saw the Egyptians dead upon the sea shore. (Exodus 14:30)
- Notwithstanding she shall be saved in childbearing, if they continue in faith and charity and holiness with sobriety. (1 Timothy 2:15)
- Which sometime were disobedient, when once the longsuffering of God waited in the days of Noah, while the ark was a preparing, wherein few, that is, eight souls were saved by water. (1 Peter 3:20)
And I believe we find a perfectly acceptable explanation here, just a few verses later:
- And except those days should be shortened, there should no flesh be saved: but for the elect's sake those days shall be shortened. (Matthew 24:22)
- And except that the Lord had shortened those days, no flesh should be saved: but for the elect's sake, whom he hath chosen, he hath shortened the days. (Mark 13:20)
So, it seems to me, these verses are describing what's required to make it to the rapture, which I believe happens at the end of the tribulation period.