Are Airport responsible for lost items?
Airports generally do not take direct responsibility for lost items unless they were lost in areas under their direct control, such as security checkpoints. However, different entities within the airport might be responsible depending on where the item was lost:
How long does George Bush Intercontinental Airport keep lost items?
IAH Airport stores lost items for 30 days. Unclaimed items may be donated, discarded, or transferred to the appropriate authorities.
The most common locations where items are lost at Airport