JPMorgan upgrades United and American airlines shares, sees near 50% upside ahead for one

United Airlines planes are seen at Newark International Airport in New Jersey, on September 29, 2021.
Tayfun Coskun | Anadolu Agency | Getty Images

There's still room for United Airlines and American Airlines to rally further, even after stellar forward guidance from the two companies have sent the shares higher, according to JPMorgan.