I honestly prefer
Fed Ex. USPS. then UPS. Usps has informed delivery and seems to be somewhat accurate. Holiday weekends may mess them up. Fed ex is mever used maybe why i never have issues. UPS lost a 20lb sample stove on me in the Hellhole known as Vernon CA UPS center. Plus always late and I get non stop wrong confirmation of delivery emails despite obvios delays. I vote USPS overall. (san diego ca)