When shipping during summer months, during hot weather, and to hot climates such as AZ, CA, FL, TX please select Next Day Air for shipping method. If the fastest shipping method available is not selected, we cannot guarantee the package contents. Weekend Delivery rates that appear on the order form do not account for Saturday Delivery. Saturday delivery is not standard for UPS and thus additional charges apply. If you would like a package to arrive on a Saturday, please email us your order. We do not offer Sunday delivery at this time.