United Airlines Holdings Inc Operating Expense Ratio 1 year YoY Change (%) is -80.39% for the quarter ending March 31, 2024, a -573.81% change year over year. The operating expense ratio represents the proportion of a company's operating expenses to its revenue. It is calculated by dividing the operating expenses by the revenue. This ratio provides insights into the efficiency of a company's cost structure and its ability to control operating expenses relative to its revenue generation. A lower ratio indicates higher operational efficiency and cost management, while a higher ratio suggests higher operating expenses relative to revenue. The measure "Change (%)" refers to the percentage change in the value of a financial metric between two time points. This measure provides a relative perspective on the magnitude of change.