Looks fine to me, however you may be hitting a congested hop between you and the servers.
SENT (0.1440s) TCP 192.168.0.69:65338 > 173.234.28.20:27015 S ttl=64 id=309 iplen=40 seq=2890097327 win=1480
RCVD (0.2740s) TCP 173.234.28.20:27015 > 192.168.0.69:65338 SA ttl=51 id=0 iplen=44 seq=973788624 win=29200 <mss 1460>
SENT (1.2150s) TCP 192.168.0.69:65338 > 173.234.28.20:27015 S ttl=64 id=309 iplen=40 seq=2890097327 win=1480
RCVD (1.2760s) TCP 173.234.28.20:27015 > 192.168.0.69:65338 SA ttl=51 id=0 iplen=44 seq=973788624 win=29200 <mss 1460>
SENT (2.2160s) TCP 192.168.0.69:65338 > 173.234.28.20:27015 S ttl=64 id=309 iplen=40 seq=2890097327 win=1480
RCVD (2.2760s) TCP 173.234.28.20:27015 > 192.168.0.69:65338 SA ttl=51 id=0 iplen=44 seq=973788624 win=29200 <mss 1460>
SENT (3.2170s) TCP 192.168.0.69:65338 > 173.234.28.20:27015 S ttl=64 id=309 iplen=40 seq=2890097327 win=1480
RCVD (3.2800s) TCP 173.234.28.20:27015 > 192.168.0.69:65338 SA ttl=51 id=0 iplen=44 seq=973788624 win=29200 <mss 1460>
SENT (4.2180s) TCP 192.168.0.69:65338 > 173.234.28.20:27015 S ttl=64 id=309 iplen=40 seq=2890097327 win=1480
RCVD (4.2790s) TCP 173.234.28.20:27015 > 192.168.0.69:65338 SA ttl=51 id=0 iplen=44 seq=973788624 win=29200 <mss 1460>
Max rtt: 63.000ms | Min rtt: 60.000ms | Avg rtt: 60.999ms
Raw packets sent: 5 (270B) | Rcvd: 5 (230B) | Lost: 0 (0.00%)
1 IP address pinged in 4.28 seconds