Help finding reg of an a\c used on particular flight\day

[Michael Wolf]

Hey guys, me again.

Is there a way anyone could figure out which aircraft (reg) was used on AirTran flight 435 KATL-KMKE on July 26th, this year? Here's the flight: http://flightaware.com/live/flight/T...336Z/KATL/KMKE

Thanks a lot!