Investigators are uncovering new details in last week's fatal UPS crash, with the NTSB pointing to fatigue cracks in a critical engine mount that failed just after takeoff. As UPS works to keep its network moving during the grounding of its MD-11 fleet, the carrier is bringing in wet-leased aircraft and shifting volume to its ground network to protect holiday shipping. Meanwhile, Hawaiian Airlines is also working to reassure customers during its integration with Alaska, and American’s new Flagship Suite Business continues to draw praise on long-haul routes.

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