Or, they could just be an operational mess these days. I flew out of American’s Terminal 4 at LAX late in the afternoon on New Year’s Day. This was the two-panel “Flight Departures” Screen in the terminal. The left pane correctly identifies the date as Jan 1, 2020, mid-afternoon. The Right Panel apparently will time-travel you back to December 17, 2019... presumably to allow you to run to the Sports Book in Vegas to lay down all those December Bowl Game bets. Oddly, the departure times in the right panel are all consistent with early AM flight departures, so maybe it really was a window back two weeks into the past.
Or, they could be an operational mess... I’m just glad they aren’t flying 737MAX, since they seem flummoxed by computers.