Last updated October 2026. We refresh this guide when carrier partners revise their peak schedules, so check back before finalizing December budgets.
Holiday volume climbs every year, and temporary peak surcharges come with it. Carriers use these seasonal charges to fund the extra labor, sort capacity, and network investment it takes to keep deliveries on time through their busiest weeks.
For high-volume shippers, a second layer sits on top. Picture a mid-December week when residential volume runs at 175% of your June baseline: on UPS Ground Residential, every package that week carries a $2.65 charge instead of the standard $0.75, which adds up to $57,000 across 30,000 packages.
This 2026 guide covers when each carrier's surcharges take effect, how volume-based tiers work, and how to plan around both before the busiest weeks arrive.
What is a peak season shipping surcharge?
A peak season surcharge, also called a demand surcharge or holiday surcharge, is a temporary per-package fee carriers apply during periods of exceptionally high volume. In 2026, the first fees started in late September and the last ones end in mid-January.
Most carriers stage their surcharges. Fees on large, heavy, and hard-to-handle packages start first, per-package charges on residential and air services follow in late October, and the highest rates land between Thanksgiving week and the end of December.
2026 peak season surcharges by carrier
UPS peak season surcharges
UPS started its handling and size fees on September 27, with per-package charges on Ground Residential, Ground Saver, and Air services beginning October 25. Per-package fees rose about 22% to 25% over 2025, while handling and size fees rose about 6% to 10%.
#ShipTip: Shippers billed for more than 20,000 residential and air packages in any week since October 2025 move to the volume tables covered below, which can raise the charge on every package in a busy week.
FedEx peak season surcharges
FedEx posted its 2026 schedule in July. Handling and size fees started September 28, and per-package charges on residential ground, express, and Ground Economy services begin October 26. FedEx One Rate packages are excluded from the per-package charges.
#ShipTip: Ground Economy carries the steepest per-package charge on the schedule, which narrows its usual price advantage over standard Ground during peak weeks. Compare both before defaulting to economy service in December.
USPS holiday surcharges
USPS applies a temporary price change from October 4 through January 17, 2027, on Priority Mail Express, Priority Mail, Ground Advantage, and Parcel Select. The added amount depends on service, weight, and zone, and it stays the same for the whole window. Commercial amounts are below; retail prices carry slightly higher increases.
#ShipTip: USPS increases stay predictable, which makes them easy to model. Light parcels on shorter zones see the smallest change, while heavy packages headed to distant zones carry most of the increase.
OnTrac demand surcharges
OnTrac runs the longest window of the group, from September 26 through January 15, 2027, at one flat rate the entire time. Residential and Additional Handling amounts held steady from 2025, while the charges tied to bulky parcels went up.
#ShipTip: OnTrac's demand charges sit on top of its standard surcharges, so compare total landed cost per lane, not just the peak add-on, before shifting volume.
Amazon Shipping peak surcharges
Amazon Shipping's schedule runs October 25 through January 16, 2027, using the same three windows as UPS. The per-package charge applies to every package, and Amazon states it adds no residential or weekend delivery surcharges during peak.
DHL eCommerce peak surcharges
DHL eCommerce published its 2026 schedule on September 22. It runs October 25 through January 16, 2027, with the highest rates from November 22 to December 26. The amounts below cover zones 1 to 8; see the full DHL eCommerce PDF for every product.
#ShipTip: DHL eCommerce return products carry the same rates in every window, from $0.40 to $9.10 depending on product, weight, and zone. Gift returns in January cost the same as they did in October, so the peak premium lands only on outbound volume.
Canada Post peak surcharges
Canada Post adjusts three existing surcharges from November 2, 2026, through January 10, 2027. During the same window, late-delivery guarantee claims on Priority, Xpresspost, and Expedited Parcel within Canada are only honored for items delivered two or more business days late.
How volume-based surcharges work
The baseline was set in June
UPS and FedEx both compare each week's volume to an average from June 2026. FedEx uses the weekly average from June 1 to 28, while UPS uses May 31 to June 27, switching to August 30 through September 26 if that later period ran below 80% of June.
The ratio between a given week and that baseline is the peaking factor. Every band above 105% carries a higher per-package charge, and the steps get steep past 200%.
UPS applies the band to every package
The band a week falls into sets the charge for every package at that service level that week, not only the volume above baseline. Commercial air packages stay at the standard per-package rate in every band.
FedEx bills two weeks later
FedEx applies its Demand Residential Delivery Charge to enterprise shippers sending more than 20,000 residential and Ground Economy packages in a week. Each week's charge lands two weeks later, so a spike in the first week of December sets the rate for packages shipping in the third. FedEx also states that contract discounts or caps on the standard residential charge don't apply to this one.
FedEx scales holiday-week volume up to account for one fewer operating day, so a short week still counts at full strength. USPS, OnTrac, Amazon Shipping, DHL eCommerce, and Canada Post use set amounts for their 2026 windows rather than a volume baseline.
When peak surcharges hit hardest
Costs ramp in stages, starting with oversized and irregular packages in late September and building to the highest rates between Thanksgiving week and the end of December. Most of the impact comes from three places: residential deliveries during promotional spikes, packages that cross handling or size thresholds, and weeks when volume climbs well above baseline.
Spotting those pressure points now makes it easier to model scenarios and avoid surprises when January invoices arrive. It also lines up with the cutoffs in our 2026 holiday shipping deadlines guide.
How to plan ahead and offset costs
1. Rate shop with surcharges included
Compare carrier options for each order with peak charges built in, not added after the fact. Rate shopping that prices the whole label can find savings by service level or zone without changing the delivery promise.
2. Right-size packaging before the window opens
Check product dimensions and weights against Additional Handling and Large Package thresholds now. Cartonization keeps borderline packages from tipping into a $96 to $117 charge.
3. Track weekly volume against the baseline
Monthly totals hide the weekly spikes that set volume tiers. Watch each service level week by week, and stagger order releases where possible so no single week jumps a band.
4. Plan around the FedEx two-week lag
A busy week sets the residential charge two weeks later, so early December decisions shape mid-December invoices. Build that delay into forecasts and promotions.
5. Spread volume across carrier partners
Balancing residential volume across several carrier accounts keeps any one account from climbing into a higher band. Routing rules the operations team can adjust mid-week make that rebalancing practical.
6. Revisit contract terms
Some agreements include discounts or caps on specific surcharges, while others carry neither. Review terms early so routing decisions reflect what each charge actually costs.
7. Settle 3PL client allocation early
Volume tiers are measured at the account level, not by client. 3PLs should decide how those charges get passed through before the first peak invoices arrive.
8. Keep returns in the plan
Returns can carry demand charges too, and return pricing varies by carrier partner. Set routing logic for returns now so January volume goes to the most cost-effective option.
Where LTL fits for oversized shipments
For bulky and multi-carton orders, peak surcharges can tip the math toward LTL freight. A single carton over size limits carries a $110 to $117.50 charge at peak, on top of the base rate and any handling fee.
B2B replenishment orders and large shipments headed to one address are strong candidates for a side-by-side parcel and LTL freight comparison. That comparison is easiest when both modes run in the same shipping platform.
Carrier partnerships and predictability
Peak surcharges are best viewed as part of what keeps networks reliable during record demand, not as penalties. Carrier partners add staff, sort capacity, and vehicles each season to protect on-time delivery during their customers' busiest weeks.
Pairing published schedules with routing, packaging, and volume planning gives shippers a steadier and more predictable peak season.
Plan your peak season with confidence
The 2026 schedules are published and the June baseline is set. What's still in play is how each week's volume moves across carrier partners between now and mid-January.
ShipWise puts carrier rules in the hands of the operations team, with rate shopping that includes surcharges at the moment a label prints. Talk with the ShipWise team about setting up routing rules your operators can adjust week by week through peak.
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