United Airlines is extending a test program that lets passengers check luggage one day earlier than usual. The initiative, known as “Twilight Bag Drop,” officially debuted over the Fourth of July weekend, when travel demand is typically high. Under the program, eligible customers can drop off bags the evening before their flight date, rather than waiting until the standard day-of check-in window. The extension indicates that the airline is continuing to evaluate the program beyond its initial launch period. The outlets reporting on the change describe the extension as part of the airline’s ongoing assessment of how an earlier bag-drop process affects operations and customer experience. The reports do not indicate that the program has been fully rolled out nationwide or immediately expanded to all airports, but rather that it is being continued after the initial trial. As United runs the extended test, passengers may see different availability depending on location and flight eligibility.