Rolled cargo explained

Rolled cargo is a booked shipment that gets bumped from its planned vessel or flight to a later one — usually because the ship or aircraft was overbooked or full. It delays your estimated time of arrival (ETA) by at least one sailing or flight. It's more common during peak periods and port congestion, and Prime Freight works with the carrier to rebook your cargo on the next available departure and keep you informed.

Carriers routinely sell more space than a vessel or aircraft physically has, expecting some no-shows. When more cargo turns up than fits, some of it is "rolled" to a later departure. Contributing factors include:

• Overbooking and full sailings, especially in peak season and before Chinese New Year.

• Port congestion and schedule changes that compress how much can be loaded.

• Blank sailings — a cancelled voyage that pushes its cargo onto later, already-busy ships.

• Weight, balance, or documentation issues that mean a particular container or consignment can't sail as planned.

• Priority allocation — carriers may favor certain cargo or contracts when space is scarce.

• A later ETA. Your cargo waits for the next available departure, which can be days (ocean) rather than the original date.

• Possible knock-on effects. A roll can also affect connecting moves and inland delivery scheduling.

• Usually not extra freight cost to you. A roll is a carrier capacity decision, not a change to your booking — though a significant delay can have downstream effects worth planning for.

• We rebook fast. When cargo is rolled, we work with the carrier to secure the next available sailing or flight.

• We push for priority where it's possible to reduce the delay.

• We keep your timeline current so your ETA in Track your shipments reflects the new departure.

• We plan around known risk. During peak periods and on congested lanes, we account for roll risk when booking so your cargo is better protected.

You don't have to chase a carrier yourself — that's our job. If your cargo is rolled, we handle the rebooking and update the portal, and we'll flag it to you when it affects a deadline. If you're shipping during a high-demand window, tell your Prime Freight team early so we can book with roll risk in mind. For the wider picture of what causes delays, see What to do if your shipment is delayed.

• What to do if your shipment is delayed

• Port congestion explained

• Demurrage and detention

• Track your shipments