According to the National Aeronautics and Space Administration (NASA), the Crew-6 mission has been pushed back.
Due to issues with the ground systems, the launch has been pushed.
The new launch date has now been set for 2 March at 9.34am UAE time, although it is subject to change depending on whether the technical issue is resolved.
The longest Arab space mission, led by Emirati astronaut Sultan Al Neyadi, was expected to lift off on Monday, 27 February, at 10.45am UAE time.