Denny's 621 Queen St 6:00 AM - 7:00 PM 6:00 AM - 7:00 PM 6:00 AM - 7:00 PM 6:00 AM - 8:00 PM 6:00 AM - 8:00 PM 6:00 AM - 8:00 PM 6:00 AM - 7:00 PM621 Queen St Southington, CT 06489 US