As a subject matter expert in comic book lore, I can tell you that the abilities of Superman and the Flash are quite different, even though they are both iconic superheroes with incredible speed.

Superman, a Kryptonian, has the ability to fly at incredible speeds, which is often depicted as faster than commercial jetliners. However, his top speed is not as consistently portrayed as the Flash's. In various storylines, Superman has been shown to fly at speeds ranging from Mach 2 (approximately 1,550 mph) to faster than light speeds when under certain conditions.

The Flash, on the other hand, is known for his super-speed, which he achieves through his connection to the Speed Force. The Flash has been shown to run at speeds that allow him to travel around the world in seconds, and in some iterations, he can even perform feats such as running on water, running up walls, and even time traveling by running fast enough to alter the flow of time.

While both characters are extremely fast, the Flash's speed is often considered to be more consistent and potentially limitless, whereas Superman's flying speed, while impressive, is not typically portrayed as being on par with the Flash's running speed. It's also important to note that the Flash's speed is a power that he can consciously control and manipulate, whereas Superman's flight is more of a natural ability that he has.

In conclusion, while Superman can fly incredibly fast, **the Flash is generally considered to be faster**.

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But the common consensus is that Superman can not move at the speed of light and the flash does. ... Superman has unlimited strength or close to, which means his sheer will determines how fast he can go. If required superman can push himself to run faster than he ever has so his limits has never been shown.read more >>