BBC reporting the football club are claiming the player booked the flight.
Cardiff City chairman Mehmet Dalman said players and fans were in a "state of shock".
"We are still praying," he said, adding that the club had received messages of support from around the world.
The "family of football has a way of coming together at times of tragedy," Mr Dalman told BBC Radio Wales'
Good Morning Wales programme.
He also confirmed that the club had not booked the plane for the trip, adding that Sala had "made his own arrangements".
https://www.bbc.com/news/uk-wales-46966424