Infinitely better to get on the bus you have access to now, rather than the one you may have problems accessing later. First law of regular bus/train commuters. So what if you get there a bit early? It may turn out you need every bit of that extra time to get into the stadium. Do yourself a...
Not Marseille exactly, but Nice. Allow much more time to get to the airport from the city than you'd ever imagine, especially if you're flying back on the Friday afternoon/evening. Although you can practically see the airport from the promenade, the traffic can grind to a horrible halt, so much...