Most Kuwait importers treat demurrage and detention as the same "late fee." They aren't — and confusing them is how a clean shipment still bleeds margin at Shuwaikh.
Two clocks, not one
Demurrage runs while your container sits inside the terminal past its free time — the box has arrived, but you haven't collected it yet. The line charges you per day for occupying terminal space.
Detention runs after you've pulled the box out, while the empty sits at your yard past its free time. The line charges you per day for holding its equipment off the network.
Same word in most importers' heads — "port charges" — but two different meters, started by two different events, counting against two different free-time allowances.
Each one is fixed at a different point
Demurrage is an upstream problem. You beat the clock before the box ever moves: Delivery Order in hand, Bayan filed, and KUCAS conformity sorted before the vessel berths. If the paperwork is ready, you collect it straight away and the demurrage meter never really starts.
Detention is a downstream problem. The clock is already running the moment you take the container out, so the fix is operational: unload fast and get the empty back to the depot before the free days run out. A box left full in your yard too long is detention you chose to pay.
Why it tightens in summer
In a congested season both clocks get harder to beat. Terminal yards fill up, depot return slots back up, and trucker availability gets scarce — so the same free-time window that was comfortable in spring is suddenly tight. When a delay adds a double-digit percentage to your landed cost, it usually isn't the freight rate that moved. It's free-time days you never planned for.
Two questions before the box arrives
Ask your forwarder two things, in writing, before the container lands:
- How many free days does the line actually give on this lane — for demurrage, and separately for detention? (They are often different.)
- What is the per-day charge once each one runs out?
Know those two numbers and the clocks stop being a surprise on the invoice.
Want us to map the free-time clock on your next container before it sails? Send us the lane at qafxpress.com.