Does UPS ship and deliver every day of the week?
UPS provides Saturday delivery for time-critical shipments. The times they will commit to depend on the service you choose. Here is what they stated as of 2009.
UPS Next Day Air® Early A.M.®: Guaranteed delivery one hour later than the guaranteed weekday delivery time, as early as 9:00 a.m., based on estination
In the United States, UPS will pickup on Saturday in every state except Hawaii if you schedule it with them here – Saturday pickup. If you have a critical need, UPS Express Critical® is available 24/7 – even on holidays. 1-800-714-8779. There is no regular Sunday pickup.