United Airlines launched a new mobile app feature on September 1, 2026, allowing travelers with delayed flights to manually place themselves on standby for up to three earlier flights than the automated system selects. ^[1] United Airlines announced a new mobile app feature allowing customers rebooked to a later flight after a disruption to stand by for up to three earlier flights, with automatic notifications when seats become available. ^[2] United Airlines forecasts 3.4 million travelers will fly during the Labor Day weekend in 2026. ^[3] United Airlines' ConnectionSaver AI algorithm is designed to analyze if a departing connection can be safely held for a flyer if their initial leg is delayed, without automatically canceling the seat until it is physically impossible to board. ^[4] Jennifer Schwierzke, United's Vice President of Customer Operations, Strategy & Execution, said in a press release that the feature reflects the airline's commitment to making travel seamless and less stressful, and that during disruptions customers can keep their confirmed itinerary and stand by for three additional flights. ^[5] United Airlines is the first airline to make its standby lists transparent and viewable through an interactive, publicly available interface on its mobile app. ^[6] United Airlines expanded its 'Where is my plane coming from?' feature to show customers their inbound aircraft on the flight status page and introduced a TSA wait times tracker at U.S. hub airports. ^[7]