Are pandemic related supply chain delays over? shouldn't they be?

Are pandemic related supply chain delays over?  shouldn't they be?  Yes. you can still try - and things are now taking longer than before, but that is the new normal - not pandemic related.  "Supply chain delays" - seems tricky, and good resources?  how do you tackle suppliers that sandbag delivery durations?  You cannot go and see it being made, because you are "in-line", not in production until the end of the procurement duration.  What is your biggest carrot and stick to get them to share info?