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I hate to break it to you, but September delivery and Shipping in September mean basically the same thing. "Delivery" is per definition the act of transporting letters or goods to a predefined point/person - shipment is the act or an instance of shipping goods. It is NOT the same as you getting your order in September.
I see. So if i just had a letter delivered to me, that means someone just dropped it in the mail, and i should be expecting delivery soo.. wait. Where do you get this ridiculous stuff? Is this a German thing? Sauce pl0x.
As a German, let me be a grammar nazi for once
Delivery: The act of transferring to another. The act of conveying or delivering.
Deliver someone or something to someone or something: to transfer someone or something to someone or something
Shipping: transporting cargo by any means
Delivered is past tense of the verb to deliver - It means the process of delivering is over.
Don't argue when a non native speaker knows your language better than you.
As a stupid american consumer - delivery means on the damn truck that is on my way to my house.
"In transit": Your shipment is moving within the UPS network and should be delivered on the scheduled delivery date.
"Out for delivery": The shipment has reached the local UPS facility responsible for delivery and has been dispatched to a UPS driver.
Also "package delivery date" means when a package delivered not shipped.