Shoppers queuing for up to 40 minutes for a specific cashier at a US supermarket has drawn attention across the grocery retail sector.
The incident, widely reported in US media, highlights a broader trend in grocery retail: some customers are prepared to accept longer checkout wait times in exchange for personalised service and human interaction.
At a time when supermarket chains are investing heavily in self-checkout technology and automation, the case raises questions about how customer experience, retail loyalty and checkout efficiency are balanced in modern food retail.
Checkout experience remains one of the most critical touchpoints in grocery retail.
Research from global retail consultancies and payment technology providers consistently shows that long queues are a leading cause of customer dissatisfaction. Fast checkout and reduced wait times are frequently ranked among the top drivers of store choice.
Yet the recent US example demonstrates that checkout speed is not the only metric that matters. Shoppers interviewed in that case said they valued conversation, familiarity and a positive interaction over speed.
For some, the cashier represented continuity and community in an increasingly automated retail environment.
This reflects a wider shift in consumer expectations. In mature grocery markets such as the United States, the United Kingdom and parts of Asia-Pacific, differentiation is increasingly built around experience rather than price alone.
While discount retailers compete on efficiency, many mainstream supermarket operators are investing in staff training to strengthen customer engagement at the point of sale.
Self-checkout adoption has accelerated globally over the past decade. According to industry data from retail technology associations, thousands of new self-service terminals are installed each year across North America and Europe.
Retailers cite labour pressures, cost control and throughput optimisation as key drivers.
However, friction at self-checkout remains a challenge. Customers often report issues with scanning errors, age verification delays and technical interruptions.
In several markets, supermarkets have scaled back fully automated rollouts after customer complaints about complexity or perceived loss of service quality.
The US supermarket case illustrates a counterpoint to the automation trend. Despite multiple open tills, shoppers deliberately chose the slower line for the interpersonal experience.
For international retail executives, the message is clear: operational efficiency must be weighed against the value of human contact.
Retail analysts note that older demographics and community-based shoppers are more likely to prioritise interaction. In smaller towns and suburban areas, grocery stores often serve as informal social hubs.
This social function can influence queue behaviour in ways that traditional efficiency models do not predict.
For grocery retailers worldwide, the incident underlines the strategic importance of frontline staff. In competitive food retail markets, customer loyalty can be influenced by seemingly small interactions at checkout.
Industry surveys suggest that positive employee engagement correlates with higher customer satisfaction scores and repeat visits. In an environment where switching costs between supermarkets are low, consistent service quality can become a differentiator.
At the same time, retailers cannot ignore the operational impact of extended checkout wait times. Long queues may reduce basket size, increase abandonment rates and affect peak-hour throughput.
Most international supermarket chains therefore pursue hybrid models: a combination of staffed checkouts, self-checkout zones and mobile payment solutions.
The broader trend points towards segmentation rather than uniformity. High-volume urban stores may prioritise speed and automation, while community-focused locations may emphasise personal service. Data analytics and queue management technology are increasingly used to balance these approaches in real time.
The widely reported 40-minute supermarket queue may appear unusual, but it highlights an important dynamic in global grocery retail. As automation expands, the value of human connection at checkout has not disappeared.
For industry leaders, the challenge lies in designing systems that deliver both efficiency and meaningful customer interaction — without compromising either.
“Why shoppers queue 40 minutes for their favourite cashier” was originally created and published by Retail Insight Network, a GlobalData owned brand.
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