Alphabet’s Wing Touts Milestone in Drone Delivery Growth (1)

Alphabet Inc.’s Wing subsidiary is about to reach a milestone in the fledgling drone-delivery business: Any day now it will deliver its 100,000th package to a customer.

At its busiest delivery hub, in Logan City, Australia, the company earlier this month set a new internal record of 4,500 deliveries in one week. The system will one day be a far more efficient mode of transporting goods to people’s homes than what exists today, according to a top executive.

“We’re extremely bullish on our ability to offer this service at a lower cost than ground delivery very profitably over ...