United Airlines’ (UAL) top line is bolstered by strong air travel demand. The company’s efforts to expand are praiseworthy. However, elevated operating expenses and weak liquidity are hurting the company’s prospects.Factors Favoring UALUpbeat air travel demand bodes well for United Airlines as it delivered a robust top-line performance in the second quarter of 2024. In this quarter, United Airlines saw a 5.5% increase in Revenue Passenger Miles and an 8.3% rise in capacity, measured in Available Seat Miles. ...