Latency will potentially be improved because each physical interface in the LAG will be processing less data and will therefore have better throughput. If the individual interfaces weren't under significant load, there won't be any improvement at all.
---
Jody Lemoine, Network Architect
CCIE 41436, MTCRE, MTCINE, MTCIPv6E
tishco networks, Virtually Everywhere
(905) 378-1134, jody.lemoine@tishco.ca