Linthicum, MD - Victor DaRosa stands under a scorching afternoon sun, loading bags onto a jet heading to Detroit.

As each suitcase climbs up the conveyor belt into the plane, a small computer verifies that it actually belongs on that flight. If one bag didn’t, a red light would flash and the belt would stop until somebody acknowledges the mistake and reroutes the luggage.

This is the future of baggage handling. Delta Air Lines is investing $50 million to soothe one of air travel’s biggest headaches: lost and delayed luggage.

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