According to the statistics provided by Squawka, Arsenal have won 15 out of 28 matches of Premier League Gameweek 1. Gunners have lost 7 times and drew matches 6 times.
North London side have average of 1.82 points considering every result of gameweek 1 since 1992/93 season.
Manchester United lead in this race (2.17 point on average).
Chelsea have 2.04 point, while Liverpool are only the third side to average more than 2.00 points.
Full table
https://twitter.com/Squawka/status/1160966929236017152
Source - Squawka