saturday delivery

Hello my center is insisting drivers have to work Saturdays all the way up to third in seniority. Is this true? I am supposed to be visiting family Saturday. I do have a lot of seniority by the way if that makes a difference at all.

UPS to launch Saturday deliveries in Jackson County - WXXV UPS will kick off Saturday deliveries via UPS Ground from their Gautier-based facility starting tomorrow. The facility will put five new package vehicles into service tomorrow with a celebration and a police escort to Highway 90...

UPS Morristown begins Saturday delivery - Citizen Tribune What can brown do for you? Turns out much more in Morristown. United Parcel Service began Saturday delivery in the Morristown zip codes this week. An event at UPS’ Morristown facility, complete with a convoy of the famous brown delivery...