Delta Air Lines' frequent flyer offering is the world's most valuable airline loyalty programme, according to the Loyalty 2023 Top 100 Most Valuable Airline Loyalty Programs report.
Estimated to be worth $27bn, Delta's SkyMiles topped American Airlines' AAdvantage, which ranked second at $23bn, a billion dollars more than third--placed United Airlines' MileagePlus.
Since the ruptures caused by the Covid pandemic and related travel curbs, many airlines have ended up "banking on their programs for survival", according to On Point, which published the report.
The highest-ranked non-US programme was that offered by Lufthansa Group, which came in fifth, with Korean Air the top Asian carrier at ninth.