Is Your Cargo Better Suited for Sea or Air?

The logistics leg that moves goods from the factory to an Amazon fulfillment center is called first-mile shipping in the industry. If you choose the wrong first-mile shipping method, the most direct consequence is that the delivery timeline won’t line up—either you miss major sales events, or you pay unnecessary high freight costs to rush.

This article breaks down the FBA first-mile logistics chain, compares three methods—sea freight, air freight, and express first-mile shipping—and provides a decision framework you can follow.

I. First, understand the complete chain of FBA first-mile logistics

FBA first-mile logistics is not just a single leg of transportation, but a chain:

  1. Factory departure—the supplier has finished preparing the goods, and the goods leave the factory.
  2. Consolidation / container loading—goods from multiple SKUs or multiple suppliers are consolidated into the same container or the same air shipment.
  3. Export customs declaration—declared according to the nature of the goods and the trade mode. For common cross-border e-commerce modes, see A Detailed Explanation of the Four Cross-Border E-Commerce Customs Declaration Modes: 9610/9710/9810/1210.
  4. Mainline transportation—sea, air, or express, moving the goods out through the port of departure.
  5. Customs clearance in the destination country—complete import customs clearance and tax payment after the goods arrive.
  6. Warehouse delivery—deliver the goods to the designated Amazon fulfillment center. This step also involves inbound requirements such as carton labels, pallet specifications, and delivery appointments.

The first three steps and the last step are what distinguish FBA first-mile logistics from ordinary export transportation: first-mile logistics must not only “transport the goods there,” but also “get them into the warehouse in compliance with requirements.”

The transit-time basis in this article uses “arrival at port / arrival at airport” as the boundary. After the goods arrive at the port, they still need to undergo customs clearance, pickup, and, if they are to be delivered to an Amazon fulfillment center or another warehouse, the delivery stage; the time required for this part depends on the customs clearance method, warehouse appointment scheduling, and local delivery arrangements, and is not within the scope of the transit-time estimates in this article and must be confirmed separately.

II. Overview of Three Types of First-Mile Methods

First-Mile Method Transit Time to Port / Airport (approx.) Minimum Shipment Size Billing Method Suitable Cargo Types
Ocean Full Container Load (FCL) US West Coast approx. 14–18 days; US East Coast approx. 28–33 days; Europe approx. 28–35 days From one full container Charged per full container (container type), with miscellaneous fees charged separately Large-volume goods, heavy goods, large single replenishment volumes
Ocean Less-than-Container Load (LCL) Adds cargo consolidation and devanning steps on top of the FCL transit time Less than one full container Charged by revenue ton (the greater of volume and weight) Small-to-medium batches, consolidation of multiple SKUs
Air Freight First-Mile US and Europe approx. 3–7 days Usually starting at 45 kg Charged by chargeable weight (the greater of volume and weight) Light and small items, high-value goods, urgent replenishment for stockouts
International Express Approx. 3–7 days From a single item Charged by actual weight or volumetric weight, combined with zone-based rates Samples, product testing, extremely small batches

The table provides reference values for regular transit times shipped from major ports in the Pearl River Delta; actual times vary by port. For example, the transit time for Shenzhen to Los Angeles Port Ocean Freight Dedicated Line is about 14–18 days. For more complete country-specific transit times, refer to China to US Ocean Freight Dedicated Line and Pearl River Delta–US International Air Freight Dedicated Line.

III. Ocean Freight First Leg: FCL and LCL

The ocean freight first leg is a mainstream method in cross-border e-commerce. Its core advantage is low unit cost, making it suitable for pre-positioning large batches of goods overseas in advance.

3.1 FCL Direct Shipping

Once the goods fill an entire container, they are shipped directly without the need for unpacking and distribution along the way, so the risk of cargo damage is relatively low and the voyage is more stable. It is suitable for sellers with a single SKU or a few SKUs and large replenishment quantities per shipment. Key promoted products stocked for peak season usually take this route: first determine the number of containers based on sales forecasts, then lock in shipping space in advance.

3.2 LCL Consolidation

When the cargo volume is less than a full container, LCL is used to consolidate goods with those of other shippers in the same container. The trade-off is two extra steps, consolidation and deconsolidation, so the total transit time is longer than FCL, and extra attention must be paid to the distribution order of LCL cargo. It is suitable for small and medium-sized sellers with many SKUs and small quantities per SKU.

The scheduling of the ocean freight first leg must align with cutoff milestones. For the differences and sequence among document cutoff, customs cutoff, and port cutoff, refer to Differences Between Customs Cutoff, Document Cutoff, and Port Cutoff.

IV. Air Freight First Leg: Air Freight + Delivery and Air Freight Delivery

First-leg air freight trades cost for time and is suitable for lightweight and small items, high-value goods, and cargo that needs to race against time.

The industry term “air freight + delivery” refers to a combination of the air freight leg plus destination delivery. Note that the standard delivery for international air freight is mainly to the destination airport; if goods need to continue to an Amazon fulfillment center or another warehouse after arriving at the airport, this falls under the delivery segment and must be separately confirmed according to the specific route and destination, and does not constitute a standard configuration for all routes.

Therefore, in practice, first-leg air freight is usually discussed under the following two scopes:

  • To airport — carriage to the destination airport; subsequent customs clearance and pickup are arranged by the consignee or its agent.
  • Including delivery — in addition to the air freight segment, destination delivery is arranged separately; the specific coverage and transit time must be confirmed route by route.

Air freight chargeable weight is calculated as the greater of volumetric weight and actual weight. Therefore, when light, bulky cargo (large volume but low weight) is shipped by air, the actual chargeable weight is often much greater than the gross weight, and this must be calculated clearly before quoting. For peak-season air freight transit times and space arrangements, please refer to “Pearl River Delta–US International Air Freight Dedicated Line,” “Pearl River Delta–UK International Air Freight Dedicated Line,” and “Pearl River Delta–Germany International Air Freight Dedicated Line.”

V. Express First-Leg Shipping: Small Batches and Product Testing

International express (such as commercial express channels) can ship starting from a single item, and the entire journey is handled by the express network, making it easier to handle with what is usually the shortest transit time, at the cost of a higher unit cost.

Its suitable scenarios are very clear: new product testing, sample shipments, and small replenishments before major promotions. When a batch of goods contains only a few to dozens of items, express’s feature of “no need to consolidate volume” is more important than the per-kilogram price.

It should be noted that express channels also have prohibited and restricted items and declaration requirements; the carrier’s latest regulations shall prevail.

VI. Decision Framework: Four Dimensions Determine the Approach

Putting the above three methods back into real business operations, you can evaluate them in sequence based on four dimensions:

  1. Cargo volume—If it can fill a full container, use FCL; if it is less than a full container but still has a certain volume, use LCL; if there are only a few pieces to a few dozen pieces, use express.
  2. Timeliness—How long is it until the target listing date? If time is tight, use air freight or express; if time is ample, use ocean freight. For the backward-planning method, refer to “Cross-Border E-Commerce Peak Season Stocking Timeline”.
  3. Cargo value—For goods with high value and high value per unit volume, the additional air freight cost as a proportion is relatively acceptable; for low-value heavy goods, air freight is usually not cost-effective.
  4. Peak season timing—When peak-season capacity tightens, ocean freight requires locking in space in advance, and air freight and express prices and space costs will also rise. Therefore, peak-season decisions should prioritize “can be booked” and “can arrive in time” over price.

A common combined approach is: Use ocean FCL for hero products to stock up in advance, use air freight to follow up on styles with high stockout risk, and first use express for small-batch testing of new products. The three methods are not substitutes for one another; rather, they divide the work according to different cargo types.

For practical cases on choosing first-leg methods, refer to “Cross-Border E-Commerce FBA LCL Replenishment: A Shenzhen Seller Ships LCL to a U.S. Amazon Warehouse” and “Cross-Border E-Commerce FBA Air Freight Replenishment: A Guangzhou Seller Ships by Air to a U.S. Amazon Warehouse”; for the warehouse entry stage after the first leg, as well as warehouse delivery appointments and dispatch arrangements, refer to “Complete Guide to Cross-Border E-Commerce Air Freight Warehouse Delivery (FBA Air Freight)” and “Hong Kong and Macau Cross-Border E-Commerce Logistics: Hong Kong Transshipment and Global Delivery Solutions”.

VII. Frequently Asked Questions

Q: What is the difference between FBA first-leg shipping and ordinary export shipping?

A: Ordinary export shipping delivery is usually considered complete upon arrival at the port; FBA first-leg shipping adds an additional “warehouse receiving” requirement, including outer carton and product labels, pallet specifications, warehouse delivery appointments, etc. These requirements are set by the platform and must be confirmed item by item before shipment.

Q: Between first-leg sea freight and first-leg air freight, which is actually more cost-effective?

A: They are not a comparison along the same dimension—sea freight has a lower unit cost but longer transit times, while air freight is faster but has a higher unit cost. The judgment should be based on the value-to-weight ratio and urgency: light, small items, high-value goods, and shipments that need to save time should go by air; large volumes and controllable transit times should go by sea. Specific costs must be confirmed by quotation based on actual cargo volume, route, and sailing schedule.

Q: Can first-leg air freight be delivered directly to an Amazon warehouse?

A: Standard delivery for international air freight is mainly to the destination airport. After arrival at the airport, if further delivery to an Amazon fulfillment center or another warehouse is required, this falls under the delivery stage and must be separately confirmed based on the specific route and destination; it is not standard on all routes. You can provide the delivery address when requesting a quote, and we will confirm whether that route can reach it.

Q: How far in advance should peak-season first-leg shipments be arranged?

A: During peak season, space and capacity tighten at the same time. It is recommended to book space as early as possible once the shipment batch is confirmed, rather than waiting until all goods are ready to request a quote. The specific lead time depends on the destination region and transport mode. You can work backward from the target listing date; for the method, see Cross-Border E-commerce Peak-Season Stock-Up Timeline.

VIII. Summary

The choice of FBA first-mile shipping is essentially about finding a balance among cost, transit time, and cargo volume: for large volumes, use full container load (FCL) ocean freight; if the volume is less than a full container, use less than container load (LCL); when speed is critical, use air freight; for small-batch product testing, use express delivery. Once the method is selected, align the cut-off milestones, customs declaration modes, and warehouse receiving requirements item by item; only then is the first-mile leg properly planned.

Bofeng Logistics provides international ocean freight (FCL/LCL), international air freight, China-Europe Railway Express, and customs declaration and inspection services, covering major ports in the Pearl River Delta. If you would like to learn about first-mile transit times, space availability, and shipping arrangements for each route, please contact us:

  • Phone / WhatsApp: 130-7567-8958
  • Email: info@zhbfwl.com

This article was compiled and written by the Bofeng Logistics team, and its content was verified in October 2026. The transit times in this article are reference values for standard voyages; actual shipping times are affected by vessel schedules, flights, port operations, weather, and peak-season space availability, and are subject to booking confirmation and carrier announcements. Statements in this article regarding platform warehouse receiving rules are subject to Amazon's latest official announcements.

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