Delta Air Lines is reaping the benefits from major investments in the business travel experience, according to new data crunched by Bloomberg.

The improvements are centered around lavish new perks in premium cabins such as improved catering and bedding as well as global cabin upgrades including business class suites. It also doesn’t hurt that Delta’s major hubs are less affected by low-cost carrier competition than those of American and United.

All told, Delta’s global product improvements appear to be earning it plenty of loyalty among lucrative business travelers, an important segment for any revenue-hungry airline. And perhaps most interestingly, the momentum comes despite recent cutbacks in the airline’s official SkyMiles loyalty program.

Quality of product, in this case, appears to be affecting loyalty as much as the broad loyalty program itself. American and United should take note.

For feedback or news tips, reach out via email at gm@skift.com or tweet me @grantkmartin.

— Grant Martin, Business of Loyalty Editor

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Skift Business of Loyalty Editor Grant Martin [gm@skift.com] curates the Skift Business of Loyalty newsletter. Skift emails the newsletter every Monday.

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Photo Credit: Delta frequent flyers, like this one taking a snooze, are seeing improvement with premium cabins. Delta