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
Malaysia has recalled its ambassador to North Korea as tensions over the investigation into the death of Kim Jong-nam boiled over.
The NHS is at "breaking point" with declining numbers of beds compounding the situation, according to the British Medical Association.
Donald Trump's ambiguous phrase "what's happening in Sweden" during a rally on Saturday was a reference to a Fox News story, he has claimed.