iPhone users tend to use their devices in the evening and on the weekends, reports Localytics, a Cambridge, MA-based start-up offering mobile analytics services. According to as study conducted by the company, the mobile app usage in the US peaks at around 9 pm EST on week days. Over the weekend, the usage is at its peek during afternoon and nights.
Since these time correspond (historically) with lower voice traffic, why are there so many complaints about AT&T's network? Could it be that their network is only part of the problem (see this earlier post)?