Analysis-United Airlines has few viable alternatives to congested Newark Airport

United Airlines is grappling with operational challenges at its Newark hub, its largest, due to ongoing congestion. While the airline supports the FAA's decision to limit flights, a move expected to ease congestion, it anticipates a negative impact on revenue and increased operating costs. United is exploring several options, including increasing seats at LaGuardia, attempting to re-enter JFK through a potential partnership with JetBlue, and considering a shift to Washington Dulles, but faces limitations and risks with each alternative; analysts at Seaport Research Partners have already cut their 2025 earnings forecast for United by 10% due to the flight reductions.

Analysis

United Airlines (UAL) is confronting significant operational and financial headwinds stemming from persistent congestion at its Newark Liberty International Airport (EWR) hub, which accounts for a substantial 16.5% of its departures and 22% of total capacity. While the airline has publicly endorsed the Federal Aviation Administration's (FAA) decision to limit flights at EWR, noting an improvement with less than 1% of flights canceled on eight of the past 11 days, this reduction is anticipated to negatively impact revenue and elevate operating costs. Underscoring this concern, Seaport Research Partners has revised its 2025 earnings forecast for UAL downwards by 10%. This is not an isolated incident, as similar disruptions at Newark in Q2 2023 previously eroded margins by one percentage point. UAL is actively exploring mitigation strategies, including deploying larger Boeing 737-800s to replace Airbus A320s at LaGuardia (LGA) to increase passenger capacity, though this is delayed until July due to crew scheduling. The airline is also seeking to re-establish a presence at New York's JFK airport, potentially through a partnership with JetBlue, to alleviate pressure on EWR, particularly for transcontinental routes. However, JFK is capacity-constrained, and UAL would need to acquire scarce takeoff and landing slots, a challenge that led to its exit from JFK in 2022. Other alternatives, such as expanding at Washington Dulles, are considered less attractive due to lower revenue potential compared to Newark, which company officials and analysts describe as "critical" and offering superior demand. UAL continues to advocate for the reinstatement of slot controls at EWR, which were lifted in 2016, arguing that their removal has exacerbated performance issues.

Key Decisions for Investors

• Investors should anticipate near-term pressure on United Airlines' revenue and profitability due to the flight reductions at Newark, as evidenced by the 10% cut to the 2025 earnings forecast by Seaport Research Partners.
• Monitor United's ability to execute its mitigation strategies, including the operational transition to larger aircraft at LaGuardia by July and any progress made in securing slots or partnerships, such as with JetBlue, for re-entry into JFK market.
• Closely track regulatory developments concerning potential reinstatement of slot controls at Newark, as this could significantly impact United's competitive positioning and operational capacity in the New York metropolitan area.
• Given Newark's critical importance to United's network and the acknowledged revenue limitations of alternative hubs like Washington Dulles, the airline's success in resolving Newark's challenges will be a key determinant of future performance.