As a E175 FO you’ll be sitting around with QX. They don’t fly much.
If this matters to you...hotels are way better with Skywest. Sure, you still get a bad one here and there, but QX’s best hotel is probably the DoubleTree in GEG. With Skywest I remember staying in Westin, Renaissance or Sheraton. But again, I don’t think it matters that much. As far as travel benefits...Skywest has more to offer. Based on your base you’ll get legacy airlines flight benefits. Sure, lower priority, but still higher than ZED fares QX guys will have to purchase.