Slow Lambda Invocations

I got the following up here in Boston, MA:

INFO Max requests:        100
INFO Concurrency level:   1
INFO Agent:               none
Completed requests:  100
INFO Total errors:        0
INFO Total time:          13.91271278 s
INFO Requests per second: 7
INFO Mean latency:        139 ms
INFO Percentage of the requests served within a certain time
INFO   50%      132 ms
INFO   90%      158 ms
INFO   95%      177 ms
INFO   99%      436 ms
INFO  100%      436 ms (longest request)