The online check contains most routes that have been cancelled in the last year or so, so a cancelled route in the Online Checkin is probably not making a comeback
I've looked at the
extra routes for
Charleroi (vested interest):
Bratislava
Fez
Gdansk
Krakow
Manchester
Marrakesh
Montpellier
Palma
Poznan
Riga
Santander
Tangier