thread looking at paris-Marseille
which is 3h18m it seems you are right.

hourly flights (though all the loss making air france)
permalink And flights to major hubs
Like LHR for BAW or CDG for AFR don't really count, as they're funnelling connecting traffic mostly, not point to point
permalink which is partly why
CdG is an important stop on the TGV network
permalink It is indeed
zut alors!