Those three airlines also received the highest rates of complaints in PIRG's 2022 analysis. Conversely, Alaska Airlines had the lowest complaint ratio last year with just 2 grievances filed per ...

For a third year running, Delta was crowned top gun with an industry-high 83% on-time arrival rate, in addition to the lowest level of recorded complaints ... was Alaska Airlines, which gained ...

Frontier Airlines had nearly double the number of complaints per 100,000 passengers as Spirit, which came in second last year ...