Yes
I'm not sure, unfortunately. But their location is next to the airport building, and connecting with fully covered walkway.
No need. You can walk to the air gates from the hotel. Interior passage ways
The Hyatt says it offers limited shuttle service. There is the moving walkway to the airport and "Grant Oliver" provides a shuttle for guests to and from the Extended Parking lot. All Pittsburgh Airport parking is outdoors.
You don't need one to the hotel. Is there a shuttle isn't much to go on.
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