AliExpress does not run its own delivery fleet. It is Alibaba's cross-border marketplace, and most parcels are moved by Cainiao — Alibaba's logistics network — which consolidates orders in China, runs the international line-haul, clears customs, and then hands each package to a destination carrier for the final mile. A single AliExpress order can therefore pass through a Chinese export carrier, an international leg, and a local delivery company before it reaches your door.
That relay is why AliExpress tracking numbers look unfamiliar and why tracking can go quiet for days at a time. The number shown at checkout usually belongs to the cross-border leg — a Cainiao or AliExpress Standard Shipping code, or a postal number from China Post, Yanwen, or YunExpress. Once the parcel arrives in your country it is inducted by the destination carrier: USPS for most standard orders in the United States, the local post elsewhere, and increasingly a regional last-mile carrier such as UniUni for faster AliExpress Choice deliveries. The tracking sometimes continues under a new number issued at that handoff.
This page lists the carriers known to carry AliExpress orders in 2025–2026, what each one does in the chain, and how to recognize their tracking numbers. If you'd rather not guess which site to paste your number into, 24hTrack auto-detects the carrier across 3,200+ networks and follows the parcel through every handoff in one timeline.
Alibaba's logistics network and the backbone of AliExpress shipping. Cainiao consolidates orders in China, operates the international line-haul, manages customs clearance, and hands parcels to a destination carrier for delivery. It runs AliExpress Standard Shipping and the faster, end-to-end managed AliExpress Choice service. Tracking numbers: Often starts with LP followed by digits; Choice and Standard Shipping codes also appear in Cainiao's own formats
A default postal first leg for many direct-from-China AliExpress orders, especially cheaper items on free shipping. China Post moves the parcel through Chinese export processing, then hands it to the destination country's postal service — USPS in the United States — for final delivery. Tracking numbers: 13-character postal numbers ending in CN (e.g., RB123456789CN)
A Chinese cross-border consolidator widely used for AliExpress parcels. Yanwen collects orders, runs the export and international line-haul, then hands off to a destination postal carrier — often generating a second tracking number at the handoff. Tracking numbers: 13-character postal format — two letters (commonly UL, also UA or UG), nine digits, ending in YP (e.g., UL123456789YP)
A cross-border e-commerce carrier common on AliExpress orders. YunExpress handles export, international transport, and injection into destination last-mile networks such as USPS in the US. Tracking numbers: Starts with YT followed by a long numeric string (e.g., YT2312345678901234)
A cross-border forwarder handling consolidation, customs clearance, and injection into destination delivery networks. 4PX is a long-standing AliExpress logistics partner and commonly appears on the international leg of orders shipped from China.
A budget cross-border postal carrier frequently used for low-cost AliExpress items on free or economy shipping. SunYou runs the export leg, then hands the parcel to the destination country's postal service for the final mile. Tracking numbers: Often starts with SY followed by digits, or uses a postal number ending in CN
The most common US final-mile carrier for AliExpress. USPS receives postal handoffs from China Post, Yanwen, and other cross-border carriers, and delivers lighter parcels, PO boxes, and rural addresses that private carriers don't reach economically. Tracking numbers: Long all-numeric strings, most commonly beginning with 9
A gig-driver last-mile carrier in the US and Canada that increasingly delivers faster AliExpress Choice orders in metro areas, completing the final mile with its own driver network instead of a postal handoff. Tracking numbers: Tracking numbers start with UUS, UNIA, or JY
It depends on the shipping method and your address. Most standard AliExpress orders are handed to USPS for the final mile after a cross-border carrier — Cainiao, China Post, Yanwen, YunExpress, or SunYou — brings them into the country. Faster AliExpress Choice orders are increasingly delivered by regional gig carriers such as UniUni in metro areas. The delivering carrier is set by the routing network, not chosen by the buyer, so it can differ from order to order.
Cainiao is Alibaba's logistics network — the company that actually moves most AliExpress parcels. AliExpress Standard Shipping and the newer AliExpress Choice service are both managed by Cainiao end-to-end: it consolidates the order in China, runs the international line-haul, clears customs, and arranges final delivery through a destination carrier. That's why the tracking number you see is usually a Cainiao or Standard Shipping code rather than a familiar national-carrier format.
Long quiet stretches are normal. Most stalls happen between the export scan in China and the first scan in your country: the parcel is moving by air or ocean line-haul and clearing customs, where few scan events are generated, so gaps of a week or more can appear. If tracking goes quiet after an arrival scan in your country, the parcel is usually waiting for the destination carrier — USPS or a local post — to induct it, and updates resume once that carrier scans it.
There is no single format, because AliExpress doesn't carry parcels itself. You may see a Cainiao or AliExpress Standard Shipping code (often starting with LP), a postal number ending in CN from China Post or SunYou, a Yanwen number ending in YP, or a YunExpress number starting with YT. After the destination handoff you may get a second number — a long all-numeric USPS string, or a UUS, UNIA, or JY code from UniUni. All of them refer to the same parcel.
Check around side entrances, mailrooms, and with household members or neighbors first — some parcels are scanned delivered shortly before or after the actual drop-off and surface within a day or two. If it still hasn't appeared, open the order on AliExpress and use its buyer-protection flow to report the item as not received; AliExpress handles refunds within the guarantee period, and the delivering carrier can often confirm where the parcel was left.
It depends on the shipping option. AliExpress Choice and premium methods are the fastest, often arriving within one to two weeks to the US. AliExpress Standard Shipping typically takes about two to four weeks door-to-door, and free economy shipping on cheaper items can take longer. The biggest variable is the international line-haul and customs clearance; once a destination carrier such as USPS or UniUni picks the parcel up, delivery usually follows within a few days.
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