UPS to replace FedEx as U.S. Postal Service’s primary air cargo provider ReutersFedEx to Let Contract With U.S. Postal Service Lapse; UPS Strikes Deal The Wall Street JournalFedEx’s stock dips and UPS rises as USPS makes changes to its air cargo business MarketWatchUPS to become the primary air cargo provider for the United States Postal Service ABC NewsUPS to replace FedEx as U.S. Postal Service’s primary air cargo provider CNBC