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US Airlines Impacted by Pratt & Whitney Engine Groundings

US Airlines Grapple with Operational Disruptions Amid Pratt & Whitney Engine Groundings
Pratt & Whitney’s recall of its PW1000G geared turbofan (GTF) engines, triggered by a manufacturing defect in high-pressure turbine and compressor components, has resulted in widespread aircraft groundings across the United States. These engines power several prominent aircraft models, including the Airbus A320neo family, A220, and Embraer E-Jet E2. As a consequence, US airlines are facing significant operational disruptions, increased maintenance expenses, and potential delays in flight schedules.
Data from ch-aviation indicates that 64 out of 664 US-based aircraft equipped with PW1000-series engines are currently either stored or undergoing maintenance. Although the precise reasons for storage are not specified, it is widely believed that many of these aircraft have been sidelined due to the ongoing GTF recall and the associated engine maintenance requirements.
Spirit Airlines Faces the Greatest Impact
Among the seven US airlines and one private operator affected, Spirit Airlines has been hit hardest. Of its Airbus A320neo fleet, 39 aircraft remain grounded, leaving only 52 in active service. The low-cost carrier has publicly voiced its frustration over the situation, which has compelled it to adjust operations and absorb additional financial burdens. To mitigate the impact, Spirit recently extended its agreement with Pratt & Whitney, securing an additional $150 million to $195 million in liquidity for 2025, matching the support it received in 2024. The airline anticipates that challenges related to the GTF engines, including accelerated removals and inspections, will continue through 2026.
Broader Industry Impact and Operational Challenges
Other major US carriers are also contending with the repercussions of the engine groundings. JetBlue Airways currently has five Airbus A321neos and four Airbus A220-300s in storage, while Delta Air Lines has grounded four A321neos and four A220-300s. Additional airlines with GTF-powered aircraft listed as stored or under maintenance include Frontier Airlines, United Airlines, Hawaiian Airlines, and Breeze Airways.
The current tally of grounded US GTF-powered aircraft includes 39 Airbus A320neos from Spirit Airlines, five A321neos and four A220-300s from JetBlue Airways, four A321neos and four A220-300s from Delta Air Lines, four A321neos from Frontier Airlines, one A321neo from Hawaiian Airlines, one A220-300 from Breeze Airways, and one A321neo from United Airlines.
FlightGlobal reports that although the total number of grounded commercial aircraft due to the PW1000-series recall has slightly declined in recent months, the proportion of affected jets remains steady at approximately 30% of the fleet.
The ongoing engine groundings are compelling airlines to redeploy aircraft, revise flight schedules, and in some cases, seek alternative engines, thereby increasing operational complexity and costs. These disruptions may prompt fare adjustments and influence customer demand, as travelers prioritize reliability. Competitors may seize the opportunity to attract passengers from affected carriers, intensifying market competition.
As the industry navigates these challenges, airlines continue to monitor developments closely and adapt their strategies to maintain service reliability and financial stability. Observers and stakeholders are advised to consult authoritative sources and official airline communications for the latest updates.

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