Since 14 Feb 19, when DJT tweeted an overt reference to "Flight 93 Election" author Michael Anton, ALL Q+ posts have appeared on days with DJT tweets that include a likely reference to "Flight 93".
17 Feb : two Q+, one "93" tweet
24 Feb : one Q+, one "93" tweet
12 Mar : one Q+, "quickly take control of a plane" tweet
See comment for the rest of the graphics.