Latest / The Operations Podcast with Fexingo: Process, People, and Profit in Modern Business / How a Small Coffee Shop Cut Wait Times by 40 Percent
Transcript
- Lucas: There's a single-location coffee shop in Portland — called Heart Roasters — that managed to cut its peak-hour wait time by about 40 percent last year without adding a single employee or machine. Luna: Just by changing the process? Lucas: Just by changing the process. And the really interesting part is that the owner didn't hire a consultant or buy new software. He spent about three weekends watching his own operation, timing every step, and then made five specific changes. Luna: I love that. So he basically did a time and motion study on himself. Lucas: Exactly. He filmed the counter with a GoPro for a few peak hours, then mapped out every movement. What he found was that his baristas were spending almost 30 percent of their time just moving between stations — reaching for cups, walking to the fridge, turning around to grab milk. Luna: That's the classic waste-in-motion problem that lean manufacturing talks about. Lucas: Right. And he applied the same logic Toyota uses on an assembly line, but on a really small scale. He rearranged the espresso station so that cups, lids, and milk were all within arm's reach. He also separated the order-taking line from the pickup line — which was a huge one. Luna: Oh, that's clever. So people ordering aren't blocking people waiting for their drinks. Lucas: Exactly. Before the change, there was just one line. A customer would order, then step aside and wait near the counter, but the next person in line would have to navigate around them. It created this bottleneck that backed up all the way to the door during the morning rush. Luna: So how did he physically separate the lines in such a small space? Lucas: He moved the order counter about three feet to the left and put a small stanchion with a sign that says 'Order Here'. Then the pickup counter became a separate area with a different sign. It's a tiny change, but it eliminated what queue theorists call 'multi-server interference' — when customers block each other. Luna: Right, because in a typical coffee shop, the person waiting for their drink is standing right where the next person needs to order. Lucas: Exactly. And the research on queue psychology backs this up. There's a famous study by David Maister from the 1980s — he's the one who wrote 'The Psychology of Waiting Lines' — and he pointed out that unoccupied waits feel longer than occupied waits, and uncertain waits feel longer than known waits. Luna: So by separating the lines, you're also giving customers a clearer sense of where they are in the process. Lucas: Exactly. When you're standing at the order counter, you know you're in the ordering queue. When you move to the pickup area, you know your drink is being made. There's no ambiguity. Maister also found that preemptive waits — where you know something is happening — feel shorter than waits that seem like dead time. Luna: Which is why showing the drink being made helps. Heart has an open counter, so you can see the barista pulling the shot. Lucas: Right. And they started doing something else: they began pre-batching pour-overs during the peak period. Instead of making each pour-over to order, which takes about three to four minutes, they'd brew a small batch of the most popular single-origin every fifteen minutes and hold it in a thermal carafe. Luna: But doesn't that sacrifice quality? I mean, pour-over is supposed to be fresh. Lucas: That's the trade-off. And the owner was really careful about it. He tested holding times and found that within ten minutes, the flavor degradation was negligible for most customers. And the wait time dropped from over four minutes to under one. He also made sure to communicate that it was batch-brewed, so customers knew what they were getting. Luna: So it's a classic operations trade-off: speed versus customization. Lucas: Exactly, and in this case, the speed gain was worth the small quality concession, especially during the rush. The owner told me that before the change, about 15 percent of customers would leave during peak because the line was too long. After the changes, that dropped to nearly zero. Luna: That's a direct revenue impact. Fifteen percent of peak-hour sales is huge. Lucas: It is. And he didn't just stop there. He also changed the layout of the espresso machine. He had two baristas working side by side, but they kept bumping into each other because the machine was in the middle of the counter. He moved it to one end, creating a flow pattern where one barista handles orders and the other handles drinks. Luna: So it's basically a mini assembly line. One person takes orders and handles payments, the other makes drinks. Lucas: Right. And they also standardized the drink sequence. Before, each barista had their own way of making a latte — some steamed milk first, some pulled the shot first. He created a standard work sequence: pull shot, steam milk, combine, serve. It sounds trivial, but it shaved about 8 seconds per drink. Luna: And over a three-hour peak, that adds up to a lot of drinks. Lucas: Exactly. He calculated that those eight seconds per drink, multiplied by about 150 drinks during peak, gave them about 20 minutes of extra capacity per shift. Luna: So he effectively added capacity without hiring anyone. Lucas: Yes. And the whole thing cost him maybe a few hundred dollars in stanchions, signs, and a thermal carafe. The return on that investment was almost immediate. He actually started offering workshops to other small businesses in Portland, teaching them how to do the same kind of process mapping. Luna: That's a great example of how the same operational principles — standard work, flow, layout optimization — apply whether you're making cars or coffee. Lucas: And it's not just coffee shops. The same logic applies to any service operation with a queue. Emergency rooms, for example, have used similar separation of triage and treatment to cut wait times. Fast-food restaurants use pre-batching all the time. The difference is that Heart Roasters did it on a tiny budget, with no external expertise. Luna: I think the key insight is that the owner was willing to watch his own operation with a critical eye. Most small business owners are so busy working in the business that they never step back and look at the process. Lucas: That's exactly it. He told me he had been making coffee for ten years and thought he knew everything. But when he actually timed everything, he was shocked at how much waste there was. Luna: So what's the one thing you'd recommend for a listener who wants to try this in their own small business? Lucas: Set up a camera for one hour during your busiest time. Just film the counter or the workspace. Then watch the footage and look for moments where someone is reaching, walking, or waiting. Those are your waste points. Then ask: can I move something closer? Can I separate two tasks that are interfering? Can I pre-batch something without sacrificing too much quality? Luna: That's such a low-cost, high-impact exercise. And you don't need a Six Sigma black belt to do it. Lucas: No, you just need a willingness to see your own process from the outside. And that's often the hardest part. Luna: It is. Speaking of small investments that pay off — and I know this is a bit of a pivot — but it reminds me of how this show itself operates. We keep it ad-free, and that's because listeners who find value in it occasionally chip in a couple of dollars a month. Lucas: Yeah, it's exactly that kind of small, consistent support that keeps us going. If these conversations have moved your work forward in some small way, you can find us at buy me a coffee dot com slash fexingo. It genuinely makes a difference. Luna: And we mean it — a couple of dollars a month is all it takes. No perks, no pressure, just knowing the show is helping people. Lucas: Okay, back to operations. One thing I want to drill into is how Heart Roasters' approach scales. Because the same principles apply to much larger operations. Luna: Give me an example. Lucas: Take a hospital emergency department. They face the same fundamental problem: multiple types of patients, unpredictable arrival rates, and a need to triage. Many hospitals have adopted a process called 'split-flow' where low-acuity patients are separated from high-acuity patients early, with separate pathways. Luna: So it's the same logic as separating the order and pickup lines. Lucas: Exactly. One study from a hospital in Georgia showed that implementing split-flow reduced average wait times from over 90 minutes to under 30. They also used standard work for common procedures like suturing and splinting, similar to standardizing the latte sequence. Luna: So the coffee shop and the hospital are solving the same problem with the same tool kit. Lucas: Right. And that's the beauty of operations thinking. Once you see the underlying pattern — a queue with variation in arrival rate and service time, with multiple server interactions — the solutions are transferable. Luna: So if I'm a listener running a small service business, what's the first step? Lucas: Map your process. Draw it out. Every step from the customer's arrival to their departure. Then time each step. You'll almost certainly find a bottleneck. Then ask: can I eliminate a step? Can I combine two steps? Can I move something to happen in parallel? Luna: And if you're not sure where to start, just look at where people are waiting. That's the bottleneck. Lucas: Exactly. Waiting is the universal symptom of an operations problem. And fixing it often doesn't require a big budget — just a few weekends and a willingness to change. Luna: Heart Roasters proved that. And now they're teaching others. Lucas: They are. And the owner told me he's working with a local bakery now, applying the same principles. I think we'll see more of that — small businesses helping each other with operational improvements. Luna: It's a nice model. Low cost, high trust, practical. Lucas: Yeah. And it's a reminder that operations doesn't have to be complicated. Sometimes it's just watching what you do and asking: is there a better way?