Yeah, Flightstats would be the basis for what I'm looking for, but you can't remove ads if you haven't already done so. It also only lets you look at flights one by one.

One of the things I liked about FlightTrack was that you could search more then +-/ 3 days. I would occasionally see how a certain flight was doing the week before for giggles.

I'm seriously considering learning how to develop an app like this. Really all I want is an information aggregate app, with the ability to let me keep a record of flights. I know this sounds silly, but I have almost 7 years worth of flights saved on my app. I occasionally go through some old ones to kind of re-live some previous trips.