I know its nitpicky as hell, but having insane delta status like I do, I really need a skyteam filter, this is pointless otherwise, ill seriously give you the delta diamond group worth of market use if you can add that.
Adding alliances is on our near term roadmap. Should be live before the end of the month. Feel free to drop me an email (max AT flightpenguin DOT com) and I'll let you know when it's out.