The atmosphere is great (especially for sports fans) but the food is awful. Sure with a chain like this expectations are low, but Jack Astor's lowers the bar further. The salad made everyone at my table feel sick. The staff, while mostly friendly, do not seem to care about cleanliness.
Recommended for people: watching a beer with friends
Avoid: any food that can get you sick if not prepared properly
P.S. staff on the patio are MUCH less friendly. They are often rude and snobby. Someone needs to tell them it's a chain restaurant, not a Manhattan night club.