Here are some helpful posts on waiting in ministry:

When You’re Waiting in the Wilderness – Gavin Ortlund (GC)
Of course, it’d be nice if ministry meant 1 Kings 18 fire-from-heaven power from start to finish! But most of our ministries can likely relate better to the metaphors of 1 Kings 17: hanging on until the ravens come again, trusting the jug and jar won’t run out tomorrow, scraping by until the drought finally ends, wondering why God hasn’t removed corrupt Ahab, and, all the while, waiting, waiting, waiting.

5 Reasons Why God Calls Us To Wait – Paul David Tripp (GC)
In ministry you will be both called to wait and also find waiting personally and corporately difficult. So it is important to recognize that there are lots of good reasons why waiting is not merely inescapable but necessary and helpful.

God’s Will for Your Wait – Paul David Tripp (GC)
In ministry there are often moments when you are propelled by a biblical vision but called by God to wait. Waiting can be discouraging and hard. So what does it look like to wait in a way that makes you a participant in what God is doing rather than someone who struggles against the wait?