Mingshu Bates pulled the invoice on a five-pound package shipped ground from Atlanta to a home in New York. In 2022, that package cost $22.52. In 2026, it cost $31.94, and the 5.9% rate hike the carrier announced does not come close to the gap.

Bates runs the numbers for a living. She is Chief Analytics Officer and President of Parcel at AFS Logistics. Her team builds the TD Cowen/AFS Freight Index, which tracks what shippers actually pay, not what carriers print in a press release. The gap between those two numbers is where the margin goes.

"Budget for the rate increase." If you ship product, you have heard this. FedEx and UPS both set the General Rate Increase at 5.9% for 2026. It was 5.9% the year before that. And the year before that. Three years in a row, the same round figure from both carriers. Every shipper plans for it. That is the point. The number was designed to be planned for.

The real cost increase runs 15 to 25 percent once the add-on fees are counted. Those are the charges that sit below the base rate on every invoice: fuel surcharges, home delivery fees, address penalties, oversize markups. The industry calls them accessorial charges. Most shippers treat them as fixed. They are not fixed. They are the most active line on the bill.

The fuel surcharge tells the full story. In Q3 2025, on-highway diesel rose 1.3% year over year. Ground fuel surcharges rose 26.1%. The cost the surcharge claims to track held almost flat. The surcharge itself climbed twenty times faster.

Bates named it in plain terms. Carriers have used the fuel surcharge as "a potent revenue generator," ratcheting tables higher even when fuel is cheap. That one sentence, from a person whose team audits millions of invoices, names the engine most shippers never see.

The 5.9% does not fail shippers. It distracts them from the line that does.

The rate increase absorbs all the attention. The accessorial schedule absorbs all the margin.

The problem is not that the rate increase is wrong. The problem is that the rate increase replaces the audit. Shippers plan for 5.9%, mark it in the budget, and stop looking. The carrier built the system to reward that habit.

The better principle is short: negotiate the accessorial schedule as its own line, not a footnote to the base rate.

Once that is clear, three moves follow from it.

Go to the carrier's published fuel surcharge table. Find the surcharge rate for the current diesel price. Then look up what diesel actually costs on the same date. The UPS ground table, as of early 2026, floors at 21% even when diesel falls to $2.47 a gallon. If the carrier got fuel for free, it would still bill more than twenty cents on every dollar.

That number will not look like a cost recovery. It will look like a second rate increase with a different name. That is what it is, and knowing the size of it changes how you walk into the next contract talk.

Pull the last 90 days. Separate base rates from every accessorial charge: fuel surcharge, residential fees, address corrections, oversize penalties. Add them up. Calculate the accessorial total as a share of your full shipping spend. Compare that share to the 5.9% you budgeted for.

Most operators who run this find the real number is two to four times what they planned. The data confirm what you probably already know. The invoice never matched the press release.

In the next cycle, treat surcharge ceilings and accessorial caps as separate line items from the base rate. Do not fold them into one deal. The base rate is the number the carrier expects you to fight over. The surcharges are where the carrier expects you to stop reading. Flip that.

Running this for one quarter does something the old advice never did.

It shows you which costs track a real input and which ones drifted free of the cost they claim to cover. It shows you the speed of the drift. UPS revised its fuel surcharge table 11 times in under 30 months. The old pace was once a year. It shows you the direction. In 2013, when diesel sat at roughly the same price it sits at now, the ground fuel surcharge was 7.13%. In 2026, same fuel cost, the surcharge is 22.75%. Diesel goes up and comes back. The table only goes up.

At the end of the quarter, ask three things.

→ Which accessorial line moved the total cost more than the base rate did?

→ Which surcharge looked like a cost recovery but had no link to the cost it named?

→ Which charge showed up on more than half the invoices with no contract cap?

That is the gap between advice that sounds right and a system that proves itself.

Bates and her team tracked one package on one route over four years. The base rate did what the carrier said it would. The fuel surcharge, the line most shippers never negotiate, rose 131%. Cumulative inflation over the same span was 15.1%.

The rate increase was never wrong. It was never the number that mattered.