Impossible to answer without knowing anything about the connection. Make sure you include a network test if you want to troubleshoot this. Instructions at top of forum:
You might be landing on another server for that match, since the server location is based on available players for the selected mode and your rank. For instance, if you play in North America, you can be placed on Los Angeles or Chicago, regardless of distance to either. You may also have overheating by that point, which could cause the network card to perform badly.