How an Old Tag Can Send a Bag the Wrong Way

A checked bag is routed by the barcode on its current airline tag. That barcode links the bag to its destination and the flights it should take. At sorting points, scanners read the tag so conveyor systems can direct the bag toward the right aircraft.

An old tag leaves another barcode visible. If a scanner or a baggage handler reads the wrong one, the bag may be associated with a previous trip and sent toward the wrong sorting route. The risk is not that every old tag will confuse the system; it is that an extra, outdated label creates an avoidable chance of misidentification.

Clear the Bag Before Check-In

Remove old airline tags and barcode stickers before you travel, especially labels attached to the handle or another easy-to-scan spot. Keep decorative luggage labels if you like, but make sure they do not cover the new tag or resemble a routing label.

The new tag is meant to be the bag’s clear instruction. Clearing away yesterday’s route helps make sure today’s destination is the one baggage staff and scanners follow.