Common Shipping Issues Explained

We trust parcel tracking to tell us exactly where our delivery is, but sometimes the updates don’t match what’s happening at the doorstep. A package might show as “in transit” for days, or even “delivered” when there’s nothing in sight. Behind the scenes, modern shipping runs on barcode scans, GPS, automated sorting, and route-optimised software. These tools make it fast and efficient - but they’re not perfect. Labels get damaged, scans get skipped, and tracking systems lag.

Still, most hiccups are temporary. Whether it’s stalled tracking, a “delivered” status without a parcel, or a delay, knowing what commonly goes wrong helps you understand what’s happening and why most parcels do arrive safely, and if problems persist, why it’s usually fastest to contact the carrier directly, as they can provide the most accurate updates and act on updated delivery details immediately.

When tracking appears to stall, it doesn’t always mean something has gone wrong. Parcels move through multiple stages - collection, sorting hubs, transit, and delivery - and sometimes the scans that update the system don’t happen as smoothly as expected. The most common reasons include:

• Missed or delayed scans
Every time a parcel enters a new stage in the network, it should be scanned. But during busy periods, operators may prioritise moving large volumes quickly over scanning every individual parcel. A package may therefore skip a checkpoint and only update once it reaches the next hub. This creates the impression of no movement when the parcel is actually still in transit [1][9].

• System syncing delays
Not every carrier uploads data in real time. Some networks batch updates and release them hours later. This means a parcel may have been scanned, but the event won’t appear online until the system syncs. Delays are especially common when a parcel moves between carriers — for example, from an international service to a domestic postal service — because systems need to hand over data. Tracking may look frozen until the receiving network scans it [2][12].

• Phantom or “ghost” scans
Occasionally, tracking systems record anomalies such as a parcel being shown as “delivered” before it is actually dropped off, or multiple identical scans in a row. These issues usually result from GPS triggers, software quirks, or duplicate scans. While confusing, they are generally corrected at the next handling point when a fresh scan overrides the error [6][10].

• International transit gaps
When a parcel leaves one country and hasn’t yet entered another, it may go unscanned for several days. Flights, shipping transfers, customs processing, and partner-carrier handoffs all create gaps. This is normal and doesn’t necessarily indicate a lost parcel [2][3].

• Weather or network disruptions
Severe weather, strikes, or temporary outages can prevent scans from being uploaded. The parcel may still be moving, but the tracking lags until the network is back online.

• Bulk or limited-scan services
Some low-cost or economy services only scan at pickup and delivery, not at every stage in between. Customers sometimes expect continuous updates, but the lack of scans is a limitation of the service itself.

Few things are more frustrating than seeing “delivered” in your tracking when nothing has arrived. The good news is that most of these cases resolve within 24–48 hours, often caused by routine issues that can be explained and fixed. The most common reasons include:

• Premature scanning:
Parcels may sometimes be marked as delivered before they are physically handed over. This happens because handheld scanners are programmed to register delivery once the driver reaches the delivery address or scans the parcel in preparation for unloading. The actual placement of the parcel may happen minutes later, or at the end of a round if the driver unloads in batches. To the customer, it looks like the parcel has arrived when it has not yet been placed at the property. In most cases, the parcel is delivered the same day once the route is completed [1][11].

• Safe-drop or hidden locations:
If no one is available, parcels may be left in what the driver considers a safe spot - such as a porch, garage, mailbox, or behind bins. The challenge is that what seems safe to the driver may not be the first place the resident checks, and what feels safe to the resident may not match the driver’s choice. This mismatch can lead to temporary confusion until the parcel is found. Many carriers now allow customers to set or update safe-drop preferences to avoid this situation [4][11].

• Neighbour or alternate address:
In many delivery networks, parcels may be left with a neighbour if the recipient is unavailable, which helps reduce repeat delivery attempts or depot collection. However, this is not a universal practice. For example, USPS typically holds the parcel at the local post office and leaves a notice if delivery cannot be completed, unless the recipient has specifically authorised someone else to receive it. Because policies differ between carriers, it is important to monitor tracking updates carefully so you know whether to expect a neighbour delivery, a safe-drop, or a collection notice [9][13][14].

• Tracking location mismatch:
Tracking systems sometimes show a processing or hand-off facility as the delivery point. This creates the impression that the parcel has reached its destination when it is still in transit [5].

It can be surprising (and frustrating) to learn that a parcel made it all the way to your street, or even your building, but still couldn’t be delivered. Often it’s not the parcel itself, but small access issues or missing information that get in the way. The most common reasons include:

• Missing apartment or unit numbers.
If a parcel is addressed only to a building but not a specific apartment or unit, the driver may be unable to buzz in or identify where the delivery belongs. Even if they can enter, there is no way to ensure it reaches the right recipient [16].

• Business addresses outside opening hours.
Parcels sent to workplaces may fail if delivered on weekends or outside regular opening hours. In these cases, carriers will usually hold the parcel for redelivery during their next scheduled delivery window, or the item may be returned if delivery cannot be completed [17]. Customers using a business address should ensure the business is open during the carrier’s delivery timeframe for that location, as failed delivery attempts due to closures are not something carriers or senders can prevent. Monitoring tracking closely helps customers anticipate when a delivery is due so they can make sure someone is available to receive it.

• Restricted-access locations.
Deliveries to gated communities, secure office buildings, or areas requiring access codes often fail if entry instructions are missing. Without these details, drivers cannot complete the delivery [16].

• Signature-required parcels.
If no one is available to sign, the driver cannot leave the parcel unattended. Instead, a card is left with instructions for redelivery or collection [18].

Monitoring tracking closely allows customers to anticipate deliveries and ensure access is possible at the right time. Providing complete address details, including unit numbers, business names, and entry instructions, prevents many failed deliveries.

With millions of parcels moving through global networks each day, it’s remarkable how few are ever lost. Still, mistakes and mishaps do happen. When a parcel genuinely goes missing, it usually comes down to a handful of common problems - from human error to damaged labels or incomplete addresses. Understanding these helps explain why a delivery can go astray, and how carriers work to reduce the risk.

• Address mistakes
Incomplete or inaccurate addresses are a frequent cause of delays. Missing apartment numbers, incorrect postcodes, misspelled street names, or formatting errors in international addresses can all prevent successful delivery. In these cases, parcels are usually held while the carrier attempts to correct the address, or they may be returned to sender if no correction is possible [8][12].

• Labelling issues
A parcel’s label is its passport through the system. If it is smudged, torn, water-damaged, or covered by tape, scanners may fail to read the barcode. When this happens, the parcel may be pulled aside for manual handling. If no clear address remains visible, it can end up in a carrier’s Mail Recovery Depot (aka “dead letter office”) for unclaimed parcels department [7][9][13].

• Theft after delivery (“porch piracy”)
In some areas, parcels left unattended outside homes may be stolen after they have been delivered. While this is outside the carrier’s control, it remains a real risk for deliveries left without a signature or secure-drop option. The most effective step customers can take is to monitor tracking updates closely so they know when a parcel is due. Being aware of the expected delivery window makes it easier to collect items quickly once they arrive. In addition, customers can reduce risk by providing safe-drop instructions in advance or choosing secure alternatives such as parcel lockers, local collection points, or signature-on-delivery services [15].

• Human error
With millions of items moving daily, mistakes occur. Parcels may be sorted into the wrong bag, placed on the wrong truck, or sent through the wrong distribution centre. In large hubs, even small errors can cause a parcel to be temporarily routed hundreds of kilometres off course before being redirected [6][10].

• Scanning errors
Although barcodes are designed to prevent mistakes, parcels can still be scanned against the wrong shipment record. For example, if two parcels are scanned quickly back-to-back, a driver’s handheld device might assign the wrong status to the wrong parcel. Parcels may also skip a scan entirely, creating the appearance of a lost item when it is still moving through the network [6].

• Damage or loss in handling
In rare cases, parcels are physically damaged or separated from their packaging while in transit. If the contents are unidentifiable and no readable label remains, the parcel cannot be routed correctly. Some carriers operate central facilities for such items, where they attempt to reunite contents with the sender or recipient. If this is not possible, the parcel may ultimately be written off as lost [12].

When a parcel is reported missing, carriers follow a set of investigation steps designed to locate it. These processes vary by network, but most include the following:

• Review of scan history
Carriers first check the digital trail created by barcode scans. This shows where the parcel was last recorded and whether it passed through expected checkpoints. Gaps in the scan history often indicate a missed scan or a parcel stalled at a facility [1][9].

• GPS and delivery device data
Many delivery drivers use handheld scanners equipped with GPS. When a parcel is marked as delivered, the GPS coordinates can be compared to the delivery address. This helps confirm whether the parcel was left at the correct location or delivered elsewhere by mistake [6].

• Facility and depot searches
If the parcel is suspected to be mis-sorted, staff at sorting hubs or depots physically search for it. Parcels with damaged or unreadable labels may be pulled aside for manual handling, so these facilities are often the first places checked [10][12].

• Customer enquiries and claims
Carriers provide online tools and forms for customers to report missing parcels. Once a claim or enquiry is filed, the case is escalated internally, sometimes involving local depots, delivery staff, or even customs offices for international shipments [1][9][12][13][14].

Many parcels flagged as missing are eventually located - sometimes days later - and delivered once the issue is resolved. In cases where the parcel cannot be recovered, carriers usually offer compensation or allow the sender to lodge a formal claim.

When a parcel cannot be delivered - for example, due to an incorrect address, repeated delivery attempts, or a refusal - it is marked “Return to Sender” (RTS) [15]. Many customers are surprised that this process takes longer than the original delivery. This happens because RTS parcels re-enter the mailstream and are handled separately from normal outbound items. They are grouped with other undeliverable mail and processed through the network on different schedules, which means they do not move as quickly as regular deliveries [15].

For international parcels, the return can take even longer. Once a parcel is refused or undeliverable overseas, it may need to clear customs again before being accepted for return transport, adding further delay [15].

If something goes wrong with your delivery, you don’t always have to wait for the seller to chase it up. You, as the customer, are often in the best position to help the carrier, because you know your address, access details, and schedule better than anyone else - and you can share that directly to assist in completing the delivery.

• Familiarity with the address.
You know your address best. Customers understand their own access issues, business hours, and availability. Sharing this information directly with the carrier helps them complete delivery successfully.

• Ability to provide extra/more accurate details.
Carriers can take updated instructions, such as gate codes, apartment numbers, or authorised recipient names, that the original order may not have included.

• You’ll get the most accurate updates.
Carriers can confirm the parcel’s status, arrange redelivery, or schedule collection directly.

While sellers can open investigations, direct communication with the carrier often speeds up resolution and ensures the parcel is delivered or collected without unnecessary delay.

Parcel delivery is a finely tuned process that combines technology, logistics, and human effort. Barcode scans, GPS data, and automated sorting systems move millions of parcels each day with impressive accuracy. But like any large network, it isn’t flawless — occasional gaps in tracking, “delivered” statuses without a parcel in sight, or short delays can and do happen.

The good news is that most of these issues are temporary and resolve on their own. Very few parcels are permanently lost, and carriers have systems in place to trace, recover, or compensate when problems do occur.

As a customer, there are simple steps you can take to reduce stress and improve the delivery experience:

• Provide a complete and accurate address, including apartment numbers, unit details, and business hours if relevant.

• Set safe-drop preferences where available, so drivers know where you want parcels left.

• Monitor tracking closely to anticipate deliveries and ensure someone is available to receive them.

• Contact the carrier directly when issues arise - they have the latest information and can act on the details you provide.

By understanding how parcels move through the system and what can go wrong, you’ll be better prepared to handle the occasional hiccup — and more confident knowing that in most cases, your parcel is on its way and will arrive safely.

Please note: Carrier help pages and FAQ URLs are frequently updated or renamed. If a link no longer works, search the carrier’s main Help/Support section for the topic, as the content is usually still available under a new path.

1. USPS – Missing Mail: The Basics
https://faq.usps.com/s/article/Missing-Mail-The-Basics

2. DHL – Tracking FAQ
https://www.dhl.com/us-en/home/tracking.html

3. DHL – eCommerce Tracking FAQ
https://www.dhl.com/us-en/home/customer-service/ecommerce-tracking-faq.html

4. FedEx – Tracking Status Meaning
https://www.fedex.com/en-gb/customer-support/faq/receiving/tracking-questions/fedex-tracking-status-meaning.html

5. DHL Express – Tracking FAQs (includes shipment exceptions)
https://mydhl.express.dhl/au/en/help-and-support/faq/tracking.html

6. FedEx – Delivery Exceptions Explained
https://www.fedex.com/en-gb/customer-support/faq/receiving/tracking-questions/fedex-tracking-status-meaning.html

7. USPS – Claims Guidance
https://www.usps.com/help/claims.htm

8. DHL Express – Help and Support: Tracking and Exceptions
https://mydhl.express.dhl/au/en/help-and-support/faq/tracking.html

9. Royal Mail – Track Your Item FAQs
https://help.royalmail.com/personal/s/article/What-is-Track-your-item-and-how-do-I-use-it

10. Royal Mail – Lost Items, Parcels, and Letters
https://www.royalmail.com/help/lost-items-parcels-letters

11. Australia Post – Lost or Late Items
https://helpandsupport.auspost.com.au/s/missing-or-lost-item

12. Australia Post – Compensation & Late Delivery Guidance
https://auspost.com.au/receiving/parcel-deliveries/compensation

13. Canada Post – Missing Package Showing as Delivered
https://www.canadapost-postescanada.ca/cpc/en/support/kb/tracking/missing-package-showing-as-delivered.page

14. Evri – Help & Support (Tracking and Lost Parcels)
https://www.evri.com/help-and-support

15. USPS – Undeliverable as Addressed and Return to Sender
https://faq.usps.com/s/article/Undeliverable-as-Addressed-and-Return-to-Sender

16. USPS – Addressing Tips (Apartment and Unit Numbers)
https://faq.usps.com/s/article/Addressing-Tips

17. FedEx – Receiving Packages FAQ (Business Hours and Delivery Attempts)
https://www.fedex.com/en-us/customer-support/faqs/receiving.html

18. Royal Mail – Redelivery and Signature Services
https://www.royalmail.com/receiving/redelivery