Originally Posted by
supergrandslam
Suppose that Op's route is GIG-MIA-JFK-BOS-JFK, OP needs to pick up the baggage at BOS but it's too late for rechecking the baggage for BOS-JFK.
If the reverse is true - then tag the bags to JFK and let the AA Bag folks remove them form the belt an then turn up at bag claim after the JFK-BOS-JFK flight. Make sure to save your bag tag receipts to facilitate the claim process.