The Ezra Miller controversy: The actor who plays Barry Allen, Ezra Miller, has been involved in some controversies in latest years, along with allegations of attack and harassment. This probably had a bad effect on the film's field office's overall performance.

The disjointed state of the DC Extended Universe: The DCEU has been criticized for its lack of consistency, with a few films being severely acclaimed and others being considered disappointments. 

 The susceptible marketing campaign: The advertising and marketing campaign for The Flash was largely seen as underwhelming. The trailers did not generate a lot of exhilaration, and the movie's release date became continuously pushed again.

The confusing plot: The Flash's movie plot was reportedly very complicated, and audiences may have been turned off by way of the movie's convoluted storyline.

The poor reviews: The Flash received mixed reviews from critics, with some praising its ambition and others criticizing its execution. This probably made audiences hesitant to look the movie.

 The competition: The Flash changed into released on the same weekend as Pixar's Elemental, which become an extra family-friendly film. This probably drew away some ability viewers from The Flash.

The COVID-19 pandemic.: The COVID-19 pandemic remains ongoing, and this may have had a terrible effect on The Flash's box office overall performance.

The high charge for tickets: The rate of film tickets has been growing in recent years, and this could have made The Flash less affordable for some viewers.

The lack of interest in superhero films. Superhero films were dominating the container box office for years, however, there may be a few proofs that interest in the style may be waning. This may also have contributed to The Flash's poor performance.

Bad luck: Sometimes, a film just flops for no apparent reason. This may additionally have been the case with The Flash.