Top Speed of Lockheed SR-71 Blackbird Airplane Contributor By JamesP on October 16, 2023 Category(s)Airplanes and AircraftTopic(s)Lockheed SR-71 BlackbirdAirplanes 3,540 km/hTop speed of Lockheed SR-71 Blackbird is 3,540 km/h (2,200 mph).