John Gill Commentary Psalms 18:41

"They cried, but there was none to save; Even unto Jehovah, but he answered them not." — Psalms 18:41 (ASV)

They cried, but [there was] none to save [them]
It is in (2 Samuel 22:42); "they looked"; that is, they looked round about, here and there, to see if there were any near at hand to help and deliver them; they cried in their distress, and because of the anguish of their spirits, and for help and assistance, but in vain.

They cried, as Jarchi thinks, to their idols, as Jonah's mariners cried everyone to their god; and, if so, it is no wonder there was none to save; for such are gods that cannot save: but it follows,

[even] unto the Lord, but he answered them not ;
as Saul, for instance, (1 Samuel 28:6); so God deals with wicked men, often by way of righteous retaliation; see (Proverbs 1:28) (Zechariah 7:13) .