Apple has sold out of its launch day iPad allotment in its U.S. online store, with all 18 models now offering shipping estimates of March 19 for new orders, reports “MacRumors” (

The original arrival date was Friday, March 16. Orders already placed are still expected to arrive at that time. Accounting for shipment time, customers placing orders now shouldn’t expect them to arrive until the middle of the week following the device’s launch next Friday, notes “MacRumors.”