30 minute turns for ERJ-145s and CRJ-700s are pretty common. As Dlnewbie says above the plane arrived in today at 4:51 (6 minutes early) and departed at 5:25 (3 minutes early) and expected in CLT 10 minutes early after a very long taxi time at IAD (although that could easily change due to CLT taxi times). One could argue AA does a lot of stupid things but 30 minute outstation turns and schedule padding are both reasonable airline operations.