There are several restaurants and coffee bars located inside the main terminal at Tucson International Airport:

Baggage Claim - Ike's Coffee Bars
      Welcome Lounge A, 6 a.m. - Midnight
      Welcome Lounge B, 11 a.m. - 4 p.m.

Ticketing Level / Center - Baskin Robbins 31 Flavors, Cibo Express Gourmet Market, 10 a.m. - 5 p.m.

Concourse A
      Food Court - Arizona Sports Grill, Boar's Head Deli, Cheeburger Cheeburger,
                             Taco Bron, Cibo Express Gourmet Market
      Ike's Coffee Bar and Cocktails, 5 a.m. - 6 p.m.

Concourse B
     Food Court - Sky Asian Bistro, Boar's Head Deli, Carmella's Kitchen Gourmet Pizza,
                            Cibo's Express Gourmet Market
      Ike's Coffee Bar and Cocktails, 5 a.m. - 5 p.m.

Third Floor / Center - Jet Rock Bar & Grill, 8 a.m. - 6 p.m.