Sprint's LTE service continued to hold on to its low latency status during the fourth quarter, according to FierceWireless' report, "3G/4G wireless network latency: How did Verizon, AT&T, Sprint and T-Mobile compare in Q4 2015?"
There were a few fluctuations between the top wireless operators. The report noted that while AT&T showed a slight decrease in latency speeds on its HSPA network in the fourth quarter when compared with the operator's results from the third quarter, Sprint and Verizon both showed increases in the latency speeds on their EVDO networks during that period.
Check out FierceWireless' quarterly latency report here.