Yes, Southwest Airlines has a comprehensive Lost and Found department and a structured process for retrieving items left on their aircraft or in their gates. If you realize you have left an item behind, your first step should be to speak with a Customer Service Agent at the airport before leaving. If you have already left the airport, you must file a "Lost and Found Report" online through the Southwest website. The airline uses an automated system to track reported items and will provide regular email or phone updates on the search status for up to 30 days. For items lost in the airport terminal (rather than on the plane), you must contact the specific airport's lost and found department. If you have lost checked baggage, you must report this in person at the Baggage Service Office near the luggage claim within 4 hours for domestic flights to ensure your claim is processed correctly.