there's no console command to do this but there is a way of editing a file to skip through to where you want in a campaign.
go to...//docs/1csoftclub/il-2 sturmovik cliffs of dover/mission/campaign/"your campaign"/
if you have played a mission there will be a file called "state", open this with notepad. It's very short, a
[Main]
battleindex 1
for example. to change your current progress change the number "1" to the "number of the mission you wish to play minus 1" , ie if you want to play mission 5 change the number to 4. Save (NOT save as).
go fly