Delta flight dl251 diversion porto

On 26 September 2026, a Delta Air Lines flight, identified as DL251, was forced to make an unscheduled diversion to Francisco Sá Carneiro Airport in Porto, Portugal. The aircraft, which was en route from a major European hub to the United States, experienced a technical malfunction mid-flight that prompted the flight crew to prioritize passenger safety by landing at the nearest suitable airport. According to official statements released by the airline on 27 September 2026, the decision to divert was made out of an abundance of caution after the cockpit crew received an alert regarding a mechanical system. Upon landing in Porto, the aircraft taxied to a remote stand where it was met by emergency services as a standard precautionary measure. All passengers and crew members disembarked the plane safely without any reported injuries. Delta Air Lines confirmed that they are working to provide alternative travel arrangements for the affected passengers while maintenance teams conduct a thorough inspection of the aircraft to resolve the underlying technical issue before the plane is cleared to return to service.