Contradiction with Genesis 5:24
This verse describes Enoch being taken by God, which could be seen as contradicting the uniqueness of Elijah's departure.
Genesis 5:24: And Enoch walked with God: and he [was] not; for God took him.
Contradiction with John 3:13
This verse states that no one has ascended to heaven except Jesus, whereas 2 Kings 2:5 alludes to Elijah’s ascension.
John 3:13: And no man hath ascended up to heaven, but he that came down from heaven, [even] the Son of man which is in heaven.
Contradiction with Hebrews 9:27
This verse mentions that all men must die once, presenting a contradiction to Elijah’s experience of not seeing death in 2 Kings 2:5.
Hebrews 9:27: And as it is appointed unto men once to die, but after this the judgment:
Contradiction with Malachi 4:5
This verse suggests Elijah will return before the day of the Lord, which could imply a different interpretation than his departure described in 2 Kings 2:5.
Malachi 4:5: Behold, I will send you Elijah the prophet before the coming of the great and dreadful day of the LORD: