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Ups

UPS Airlines (5X/UPS) is the U.S.-based cargo airline of UPS, with its air-cargo operations centered in Louisville, Kentucky. UPS Air Cargo describes Louisville as its all-points international air hub and presents the network as a hub-and-spoke cargo system serving freight customers, not a passenger airline product. For travelers, the practical takeaway is simple: 5X is useful to recognize on cargo tracking, airport cargo activity, or freight documents, but it is not a carrier to choose for passenger tickets or mileage credit. UPS does not list a passenger frequent-flyer program, and UPS is not listed among the member airlines of the three global passenger alliances.