Originally Posted by
controller1
Once your luggage has been tagged to its final destination, it is not going to be re-tagged at a connecting airport.
The reason I assumed my luggage would be retagged by CO was because it happened to me before when flying from CWB>GRU>IAH. TAM airlines checked me in all the way through to IAH, but no priority tags were attached for my luggage. However, when I reached IAH, my luggage had priority tags on them.