No More Lost Bags: The One-Step Solution

You've seen the encouraging stats: The rate of "mishandled" luggage for several airlines was down overall in 2008, compared to the previous year. And that's how it should be, especially now that we're paying those insufferable bag fees.

With radio frequency ID tags, airlines could never lose a bag again. So, why aren't they using this technology today?

(Jacqueline Larma/AP Photo)

Unfortunately, those bag fees guarantee nothing. You can pay and pay and still take your turn at playing, "Have You Seen My Bag?"

But some airports and airlines are attempting to change the whole system of baggage handling, which just might -- might -- keep your bags with you for good.

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Fixing the decades-long issue of lost baggage starts with a riddle: There's a Wal-Mart in Fresno, a heifer in Michigan and a Samsonite in Vegas. What do they all have in common?

Simple: RFID.

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Well, maybe it's not so simple; after all, RFID, or "radio frequency identification" technology, is what Wal-Mart uses to keep track of millions of items on pallets in its huge warehouses, while Michigan requires all its cattle be tagged with RFID chips to help identify sources of disease and more.

But here's where air travel comes in: Passengers departing from McCarran International in Las Vegas will also find RFID on their checked luggage. The chips help to keep those bags moving in the right direction. Terrific, but will it keep your Samsonite from getting lost? We'll get to that.

But, first, how does RFID work?

Imagine a small, integrated circuit that stores data (a tiny little gizmo about the size of a sesame seed) that's surrounded by a small antenna. That's an RFID chip. Some come with built-in batteries, and some don't. Some can be reused and some are disposable. The lifespan for the lowliest RFID chip is said to be decades.

Now, picture this chip embedded in a tag, like the adhesive baggage tag you get at the airport. Chances are, you'll never notice the difference between a bag tag embedded with an RFID chip and a regular one.

In Las Vegas' McCarran airport, several scanners note and record a bag's progress as it makes its journey from curbside or counter to just before it gets loaded onto the plane, a journey that includes some of the Las Vegas airport's four miles of conveyor belts.