Anyone know the standard arrival routes Mesaba normally flies into Detroit? According to AirNav, there are four: CETUS TWO, MIZAR THREE, POLAR ONE, and SPICA TWO. The reason I ask is because I live in Northville, MI (about 35 mins from KDTW) and I can see a distinct pattern everyday. In the afternoon, I see nothing but Mesaba Saab 340s with the occasional Avro. In the evening, the majority of those stop and I see the occasional Northwest A319. I’m just interested in the standard arrivals Mesaba uses, since I see them so often. Also, am I correct in thinking that the airline designates which arrivals their aircraft will fly? Or is it up to the controller?