Generalising 'rain lte' is bit vague, I have 250pm uncapped with Rain, and my latency seems very consistent day in and day out...
Getting speeds of about 60mbps any time of the day as well..
64 bytes from 8.8.8.8: icmp_seq=0 ttl=116 time=39.326 ms
64 bytes from 8.8.8.8: icmp_seq=1 ttl=116 time=21.610 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=116 time=21.695 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=116 time=22.155 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=116 time=21.149 ms
64 bytes from 8.8.8.8: icmp_seq=5 ttl=116 time=21.613 ms
64 bytes from 8.8.8.8: icmp_seq=6 ttl=116 time=22.044 ms
64 bytes from 8.8.8.8: icmp_seq=7 ttl=116 time=20.659 ms