In summer, the evening Cityjet Antwerp flights seem to have ceased with competition from Ryanair at 1935 to Charleroi. Bit of a difference in equipment and service, and a bit of a bugger if you want the north of Belgium. Arrival is about the same in Brussels if you use the bus from Charleroi compared with the train from Antwerpen Berchem. The last plane to Zaventem from Manchester is at 1800.