You can now use AirTags to expedite a lost luggage reunion through United's mobile app
Briefly

With the new Share Item Location feature integrated into United Airlines' app, passengers can share their luggage's location, expediting the reunion process when bags are delayed.
Once a delayed baggage report is filed, either through the app or other methods, the passenger receives an automatic notification to track their luggage using the Share Item Location.
Read at The Verge
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