DoorDash has reached a major milestone in its push to expand autonomous delivery, earning Part 135 air carrier certification from the Federal Aviation Administration and launching DoorDash Air, its first-party drone program. The certification makes DoorDash one of just eight drone operators to clear the FAA’s rigorous process, which evaluates aircraft airworthiness, maintenance programs, safety procedures, and operational reliability. Built by DoorDash Labs, the same robotics and autonomy team behind ground delivery robot Dot....