UAL ▼ -1.1% - United Airlines Holdings, Inc. $UAL - Another First for United: Mobile App Lets Customers Join Standby for Earlier Flights and Automatically Finds Open Seats During Disruptions United Airlines shares fell 1.1% today despite the company announcing a new mobile app feature that allows customers to join standby lists for earlier flights and automatically identifies open seats during service disruptions. The decline suggests investors may have focused on near-term operational challenges or broader market pressures rather than viewing the app enhancement as a significant near-term revenue driver. 01-SEP-2026 08:03 AM ET