GOD'S WORD® Translation
The Lord isn't slow to do what he promised, as some people think. Rather, he is patient for your sake. He doesn't want to destroy anyone but wants all people to have an opportunity to turn to him and change the way they think and act.

American Standard Version
The Lord is not slack concerning his promise, as some count slackness; but is longsuffering to you-ward, not wishing that any should perish, but that all should come to repentance.

Berean Study Bible
The Lord is not slow in keeping His promise as some understand slowness, but is patient with you, not wanting anyone to perish but everyone to come to repentance.

Douay-Rheims Bible
The Lord delayeth not his promise, as some imagine, but dealeth patiently for your sake, not willing that any should perish, but that all should return to penance.

English Revised Version
The Lord is not slack concerning his promise, as some count slackness; but is longsuffering to you-ward, not wishing that any should perish, but that all should come to repentance.

King James Bible
The Lord is not slack concerning his promise, as some men count slackness; but is longsuffering to us-ward, not willing that any should perish, but that all should come to repentance.

World English Bible
The Lord is not slow concerning his promise, as some count slowness; but is patient with us, not wishing that any should perish, but that all should come to repentance.

Young's Literal Translation
the Lord is not slow in regard to the promise, as certain count slowness, but is long-suffering to us, not counselling any to be lost but all to pass on to reformation,

2 Peter 3:9 Additional Translations ...