For this season, La Liga may be a competition that can be said to be quite competitive because there are 3 big teams competing for the top position with a very thin point difference.
And so far Barcelona is a team that is consistent enough to continue to win, and even in its last 5 matches in La Liga, Barcelona has not been defeated and has managed to secure 3 full points in each match. Meanwhile, regarding Real Madrid, their consistency is a little shaky, because in its last 5 matches, Real Madrid has only been able to collect 8 points with 2 wins, 2 draws and one defeat. And regarding Atletico Madrid, in its last 5 matches they have only been able to collect 9 points with 2 wins and 3 draws. As you said, considering the competition at the top of the standings is quite tight, every match will be an important match to win.
Yes I'm agreeing with you that Barcelona showing strong consistency in their recent performances. Their ability to secure full points in the last five matches has definitely given them an edge. On the other hand, Real Madrid and Atletico Madrid have been a bit inconsistent, which has slightly slowed their momentum and here you can see Real Madrid is repeatedly complaining about the decision of Referee.
At this stage, a single slip up could change the standings significantly. It will be exciting to see how the teams handle the pressure in the upcoming fixtures.