[nradov]

Just because you know where your baggage is doesn't mean the airline will actually give it to you.

[jonny_eh]

It can help a ton. There's been reports of people calling up an airport and telling an employee exactly where their bag is, and then getting it delivered.

Often the biggest impediment to getting lost luggage back is finding out where in the airport it actually is.

[ceejayoz]

Or even which airport it's in.