In a statement to the Istanbul stock exchange, Turkish Airlines said it sees a load factor of 81-82pc, around the same level of 81.6pc in 2019.
It forecast an EBITDAR margin of 23-25pc and a consolidated sales revenue of $14.5-14.8 billion for 2020.
The airlines' shares rose some 2.5pc at Friday's open, following the release of the forecasts.