Both services operate under AWS, a high-end cloud-computing system that runs some of the largest systems in the world. Generally, it’s considered reliable and consistent. As of now, Amazon’s latest status update reads:
[2:04 PM PST] We have executed a mitigation which is showing significant recovery in the US-EAST-1 Region. We are continuing to closely monitor the health of the network devices and we expect to continue to make progress towards full recovery. We still do not have an ETA for full recovery at this time
We will continue to monitor the situation and keep you informed.