The shortest I've waited is a day and the longest is like 3 months!
It really depends the artist and their cue! I would say 2-4 weeks is the sweetspot if properly managed :3
And if it takes longer, at least keep the person informed ^w^ Trello has definitely been a good thing for artists because they way they can see the progress and the cue :3

Typical turn-out time when I commission artists is around a few days up to a month, which I'm totally okay with. There will be times where I need to wait over a month, but I'm well-aware of it due to their ToS or if they mention it beforehand, UNLESS an emergency comes up.

I'm also given WIPs throughout the commission process, which makes it feel like you're getting your art is a lot quicker

It really seems to be all over the place. The shortest wait for a commission I've ever had only took three days but the longest I've ever waited was a whole year. If I had to average it up though I'd say I usually wait about three weeks to a month for stuff.

This was posted half a minute ago at almost 6am where I am lol
BUT I normally wait a few weeks honestly, if it gets over a month I'll get kinda impatient and worried. If it ever exceeds that, unless it's a really big piece I'll probably give a hey what's up message asking for an update. But I always try to be as understanding as possible, Lord knows how hard artists work.

It really depends on the quality of the work! I will wait a month or two for high quality work, especially if I know there is a long queue ahead of me. But when we are talking months for a simple sketch? That is when my patience runs out.

I've bought stream commissions that took 45 minutes and one commission that took 10 months (artist took on an enormous queue).

6 weeks is the most I'm willing to wait nowadays (unless I've bought something very time consuming like an animation commission), and I have to repeatedly ask the artist about their turnaround times before I buy from them because I've been burned a lot on commission times.

I've waited 6 months for high quality work before, I have a lot of patience though. Shortest time was literally overnight. I would say between 2 and 4 weeks is about average.

On average, I'd say a couple weeks, but it really varies a lot. I've had some commissions finished in a day, some took a month, and some took 6+ months. Personally, I'm more concerned about communication than wait time. Life happens and things get delayed, lol. I don't mind waiting a while provided the artist communicates and gives occasional updates, or lets me know if there are problems. But if there's no communication and the artist just takes my money and then disappears for months, it's really frustrating and hurts their business. (E.g., I've been waiting for a sketch from a certain artist for over a year now, they've been absolutely TERRIBLE about communication, and I will never commission them again.)

It all depends on the artist workload and quality of work. Two to 4 weeks are the fast ones. But me personally, I am fine with waiting a few months.

So I'd say on average. 1 month to 1 month in a half.

Up to a month, of even two for a bigger name is average and reasonable, and the longest I've waited is just over a year now. And I'll agree with everyone above: communication. Either directly to the commissioners or through journals letting everyone know there will be a delay, this is the reason, this is when it'll be fixed. There's nothing worse than when you commission someone and they disappear. Or you see them opening up commission's when you know they have things due to you and others for over a year...

I've had work done anywhere from on-the-spot (streams) or overnight, to almost two years.

Like is mentioned above, communication communication communication. I don't mind waiting if an artist makes the effort to at least show they care. Even if it's "Hey, no progress yet but you're still in the queue and on my list!", I prefer that far more than never hearing from someone for months and wondering if I'll ever get art or if I got scammed. Keeping an updated trello or something commissioners can view an active work list is really nice to see.

Basically, two weeks to two months or so is about the limit I can go without communication before I start wondering if something's wrong. I've also had artists take on new work AND finish newer work before my commission was done. As a commissioner, it's an absolutely horrible feeling, especially if no explanation is offered.

Longest wait 9 months but usually it’s either a day or 2 or 1-2 weeks depending on complexity

Really varies by artist, the pieces, and queue size. The soonest would be a couple days after I get the slot. Often can take a month, sometimes two, though usually no longer than that unless they've got a reason. At least with the artists I go to normally, 2-3 weeks is pretty standard once you consider that there's other people in queue too.

On average I wait for about 4-5 weeks for my commissions(excluding in-streams as those take a few hours). I have had quite a few that have been months of waiting and most of the artists send me WIPs or at least updates.

Out of all the completed commissions I got, the longest I had to wait was 4 weeks. All other commissions were done within 1.5 weeks no matter the quality. There is one commission that I ordered 1 year ago that still hasn't been finished. The artist got hit with various health issues.

I'd say typically anywhere between a week and a couple of months, depending on the artist, complexity of the piece, etc. Some artists are faster than others, it varies depending on what else they have in their life (Not all are full time artists), and of course some are just naturally faster than others.

Depends who it is. Nearly a year for one from someone who's out of practice. But I've not had to pay for it yet. A few months from people I have paid, but at least one of them is ill. Within a few weeks from the people I commision most. Sometimes within days.

I've waited four months before. The artist had no queue when I ordered, but they hit a bout of depression and started taking on works without producing any.
I've bought a couple that were ready in a few days.
I definitely like having my stuff fast because I get super excited, but if the artist can at least give me an estimated date of completion, I'm willing to wait a month or so.