The short version: ocean remains 4–6× cheaper per kilo than air on major lanes, but the gap narrows fast once inventory carrying costs, carbon charges and stockout risk enter the math. Here's how to run the numbers for your freight in 2026.
The 2026 rate landscape
Trans-Pacific ocean rates have settled into a predictable band after three volatile years, while air cargo capacity is up nearly a fifth on returning passenger belly space. The result: air is the most affordable it has been since 2019 on lanes like Shanghai–Chicago and Shenzhen–Frankfurt — but ocean LCL consolidations have fallen further, making them the default for anything that isn't urgent.
Carbon now has a price tag
The Carbon Border Adjustment Mechanism extends to freight this quarter, adding a reportable emissions line to every cross-border movement. Ocean's per-kilo footprint is a fraction of air's, so high-volume shippers face a real choice: pay the carbon premium for speed, or redesign lead times around ocean and intermodal. Our lane analyses now quote both the freight rate and the carbon line side by side.
A practical decision rule
Use air when the cargo's margin per kilo exceeds roughly eight times the ocean rate — typical for electronics, pharma and line-down spares. Use ocean FCL above 15 CBM, ocean LCL between 2 and 15 CBM, and consolidated air for the awkward middle: 300–1000 kg that can't wait three weeks but can't justify direct air either.
Still unsure? Send us the lane and the deadline — our engine prices every mode side by side in 60 seconds, carbon included.