JetBlue’s fourth-quarter results beat expectations, but the outlook for a key revenue metric was below forecasts.

JetBlue's cost outlook disappointed investors. The company is in the middle of a cost-cutting program that includes culling unprofitable flying. The company lost two antitrust cases that blocked its planned acquisition of Spirit Airlines last year and a regional partnership with American in 2023.

JetBlue’s unit revenue guide implied deceleration year over year despite all the changes it has been making,” offered Melius Research analyst Conor Cunningham.