You could but you would have to go back through security to get to your gate. I would stay in the airport. If you did leave, use the Light Rail to go to downtown Baltimore and then back.
I don't think so, traffic jam is terrible to get the airport.
I would not do it. You won't have enough time to do anything significant.
Barely. If you must, try the water front area. Time will be tight, however.
You could go the baltimore waterfront or aquarium both really nice and fun
It your choice, because then you will have to go back through security checks all over and that might cause delay 😬. Stay put and wait out the time until your next flight 😊👊
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