Spirit Airlines Challenges United–JetBlue ‘Blue Sky’ Alliance

Spirit Airlines has filed a formal complaint with the U.S. Department of Transportation (DOT) against the proposed partnership between JetBlue Airways and United Airlines. The ultra-low-cost carrier labeled the “Blue Sky” alliance as anti-competitive and compared it to JetBlue’s previous Northeast Alliance with American Airlines, which was struck down by a federal judge in 2023.

Spirit argued that the deal would make JetBlue a “de facto vassal of United,” citing the latter’s much larger international network. The complaint raises concerns that the alliance would reduce competition, particularly in the Northeast, resulting in higher fares and increased award point requirements.

Announced earlier this year, the Blue Sky agreement includes several elements: JetBlue will provide United with access to up to seven daily round-trip slots at New York JFK starting in 2027, the two carriers will coordinate flight timings at Newark, and frequent flyer benefits will be shared. Both airlines have stated that they do not plan further consolidation or a merger.

Spirit urged regulators to extend the review process by 60 days and open the agreement to public comment. It also called for a formal investigation into whether the deal constitutes an unfair method of competition.

JetBlue responded by stating that Spirit’s claims misrepresent the facts. It emphasized that both carriers will continue to operate independently, with separate branding, pricing, and network decisions. United Airlines deferred comment to JetBlue.

The DOT is currently reviewing the agreement as scrutiny over airline partnerships continues to intensify.

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Sources: AirGuide Business airguide.info, bing.com, ch-aviation.com