The missing Air Algerie aircraft took off from Burkina Faso at 01:17 local time (02:17am BST) and was supposed to land in Algiers at 05:10 local time (05:10am BST) but never reached its destination, Swiftair says.
Algeria's APS state news agency says the flight lost contact around 50 minutes in to its journey.
More top news
Man City remain five points behind Chelsea in the Premier League title race after a 1-1 draw at Stamford Bridge
Five NHS trusts in the Midlands have come under fire after it emerged bosses were sitting on more than £134 million of spare cash.
A factory worker's faithful friends saved his life by lying with him to keep him warm when he fell into a diabetic coma in the freezing cold