Delta also rated higher than any other airline on the overall list of Most Admired Companies, climb­ing to No. 12 this year.

“I couldn’t be more proud of the Delta team of being named on Fortune’s list of Most Admired Companies for the 10th year in a row,” Delta Chief Executive Offi­cer, Ed Bastian, said.

“This award is a huge testament and recognition of all their hard work, their dedication and their success. It’s no surprise that they are consistently recognised among the best.”

In addition to Delta’s evolv­ing brand experiences, he said the airline had been consistently recognised for its operational reliability, reflecting the airline’s operational complexity and the exemplary work of Delta people to achieve on-time performance while limiting the impact of disruption on customers.

Fortune collaborated with Korn Ferry on this survey of corporate reputation. The survey began with a universe of about 1,500 candi­dates: the 1,000 largest U.S. compa­nies ranked by revenue, along with non-U. S. companies in the Fortune Global 500 database that have rev­enues of $10 billion or more.

That assortment was winnowed to the highest-revenue companies in each industry, a total of 645 in 27 countries.

The top-rated companies were picked from that pool of 645; the executives who voted work at the companies in that group.