By Doyinsola Oladipo and Allison Lampert WASHINGTON (Reuters) - JetBlue Airways CEO Joanna Geraghty said on Wednesday that 2025 has been challenging, dealing a setback to efforts to boost profitability, but that the New York-based carrier is better positioned to serve premium customers than other airlines now trying to move upmarket. Across the industry, carriers like Frontier Group and others are boosting premium offerings to try to attract a more well-heeled customer, a segment of the business where Je ...