. >> reporter: loretta conley just got her luggage, hours after she arrived in washington. >> it's annoying, it's definitely frustrating. we're actually heading somewhere else tomorrow. >> rte than 23 million bags were mishandled worldwide. delta is now using this new $50 million system to give fliers realtime tracking of bags with cell phone alerts and even a map to show the bag's current location. these luggage tags have a small radio frequency identification or rfid chip which stands if in the system and on a plane. that bag does not belong on his flight. >> we believe this has had a 5% to 10% redestruction in the number of mishandled bags in our system. >> reporter: american already notifies fliers when their bags are loaded or unloaded on a plane. alaska updates through the airport's mobile app and lasts for two years. the industry believes airlines can save up to $3 billion over the next seven years with this new technology. delta's new luggage system is in across the u.s. the airline thinks it will be able to load bags faster now that crews don't have to individually scan ever bag by