In 2025 and 2026, the primary controversy surrounding Frontier Airlines involves its aggressive "fleet optimization" strategy and its shifting customer service model. Following a reported $137 million loss in 2025, Frontier made headlines by returning 24 Airbus A320neo aircraft to their lessors and delaying the delivery of 69 more, leading to concerns about the airline's long-term financial stability and its ability to maintain its route network. This "retrenchment" has caused friction with investors and frustration for passengers in smaller markets who have seen their flight options dwindle. Additionally, Frontier remains a lightning rod for criticism regarding its "hidden fees" and its all-digital customer service model, which eliminated telephone support in favor of chat-based assistance. Many travelers have found this system difficult to navigate during flight disruptions. Most recently, there has been a public debate over their "gate agent incentive" program, where agents were allegedly rewarded for catching passengers with oversized "personal items," leading to accusations of predatory enforcement at the boarding gate.