I got on today and got kicked from my game. I quit a game yesterday and got banned for THREE HOURS after one time “quitting” today. There needs to be less overlap day to day. Bc I didn’t even want to quit. -Yoink!- BULL****. I guess it’s warzone for the next three hours… Wow
Hey OP, for further help and discussion on matchmaking bans, please see the ban thread in the Halo support forums 
https://www.halowaypoint.com/en-us/forums/e0d9938206f04a598ce84f2c8cadce02/topics/the-official-halo-5-why-was-i-banned-thread/19fa6556-e0b1-4248-b817-b3a99d0af5bf/posts