Peak season can be an unforgiving test for an ecommerce delivery operation. Volumes spike, carrier networks come under pressure, and customer expectations rise as purchases become increasingly time-sensitive. The margin for error shrinks at exactly the point where the consequences of getting it wrong are greatest.

The brands that get through peak season without a significant delivery incident don't do it by reacting well. This is done by preparing early, communicating clearly, and building contingencies into the plan before they are needed.

Start earlier than you think you need to

A common peak-season mistake is starting preparations too late, as by the time the peak arrives, carrier capacity allocations are largely set. The leverage you have to negotiate volume commitments or service-level guarantees will have significantly diminished by this point.

Carrier conversations about peak should happen in summer at the latest. Those conversations should cover your projected volume by week across the peak period, the service levels you are required to maintain, how the carrier plans to manage capacity increases, and what guarantees, if any, they're prepared to make about performance during the highest-volume weeks.

Carriers that are evasive about capacity planning or unwilling to commit to any performance guarantees during peak are telling you something important. The time to find out is in July, not November.

Forecast your volume properly

Peak season planning is only as good as the volume forecast underpinning it. An underestimate means you run out of carrier capacity or warehouse resources at the worst possible time. An overestimate means you've committed to volume tiers you don't hit, which can affect your commercial terms.

Build your forecast from multiple inputs: last year's peak performance by week, your year-on-year growth rate, and any planned promotions or marketing activity that will drive volume spikes. Factor in any new channels or markets you're operating in this year that weren't in the base last year.

Share the forecast with your carrier early and update it as you get closer to peak. A carrier that has your volume forecast can plan around it. One operating on guesswork cannot.

Warehouse and dispatch readiness

Whilst carrier performance during peak gets the most attention, warehouse and dispatch operations are equally important. A parcel that misses carrier collection because it wasn't picked and packed in time is a late delivery, regardless of what the carrier does.

Audit the warehouse capacity and staffing against projected peak volumes to ensure orders can still be picked, packed and dispatched within your promised cut-off windows.

Inventory positioning matters too, as stock that isn't in the right location when demand hits creates fulfilment delays that no carrier relationship can compensate for. It is essential to work with your supply chain team to ensure your highest-velocity SKUs are accessible and fully stocked before peak begins.

Set honest customer expectations

Peak season is not the time to overcommit on delivery. The brands that suffer the most reputation harm during peak are typically the ones that maintained next-day promises they couldn't operationally support, not the ones that communicated adjusted timeframes honestly and early.

If your standard delivery window extends during peak, you can update your checkout messaging to reflect this. If next-day delivery has an earlier cutoff in December than in August, it is important to make that visible. Similarly, if  there are dates after which you cannot guarantee pre-Christmas delivery, communicate this with customers prominently and early.

Customers who know exactly what to expect are much happier than those who are promised more than you can deliver. While it’s tempting to keep bold delivery promises during peak to boost conversions, falling short usually leads to more complaints, negative reviews, and customer service issues than you’d face by setting honest timelines from the start.

Build contingency into the plan

No matter how well you prepare, peak season can still bring surprises. Whether it’s a carrier outage, severe weather, or an unexpected spike in orders, the businesses that handle these challenges best are those with backup plans in place before issues arise.

At a minimum, have a view on what you would do if your primary carrier couldn't fulfil a portion of your volume for 48 hours. That might mean a secondary carrier relationship maintained at low volume for exactly this purpose, or a pre-negotiated overflow arrangement. It might mean a customer communication plan about delays, or a decision framework for prioritising orders if you have to triage.

Contingency planning doesn't need to be elaborate. It needs to exist, and the people who would act on it need to know what it says before the situation arises.

Conduct a post-peak review

The most valuable input to next year's peak preparation is a structured review conducted immediately after this year's peak ends. Where did volume deviate from the forecast? Where did carrier performance fall short? Which customer communications worked, and which generated confusion? Review these questions every year, while the details are still fresh.

Capture these lessons in the first week after peak closes, while the details are still fresh and supported by data. The insights gathered immediately after peak will be far more valuable than those recon

HIVED works with brands ahead of peak to align on volume forecasts, capacity planning, and service level expectations. If you want a carrier that plans with you rather than reacts to you, get in touch.