Goofs

After Bugsy's house has been sold to finance the Flamingo Club, he takes another look at his "screen test". He's at Virginia Hill's mansion, but he looks at the film in the projection room of his old house.

On opening night at the Flamingo when Ben is called back to Los Angeles; Mickey Cohen is in the casino. After Ben arrives in L.A., Mickey (apparently) drives him from the airport to the house.

The smoke coming from the candles on the birthday cake disappears and reappears between shots.

When Ben is frosting his daughter's birthday cake, the drape of the top of his chef's hat changes when he answers the door. Then it changes back as the scene progresses.

When "selling" the concept of Las Vegas to the other mobsters, Bugsy states that "when Hoover Dam opens up", there will be power for air conditioning. The scene takes place in the mid 1940's and Hoover Dam had already been producing power since the late 1930's. In addition, Las Vegas never got any power from Hoover Dam until 2017.

Harry Greenberg was in fact murdered in November 1939, not in 1945 as depicted in this film.

The Flamingo did have a huge (yet unsuccessful) opening: attendees included Clark Gable, Lana Turner, Cesar Romero, Judy Garland, and Joan Crawford; Xavier Cugat, George Jessel, George Raft, Rose Marie, and Jimmy Durante were the headliners. In the film, the place is virtually empty, the celebrities (except Raft) are no-shows, and Raft tells Bugsy that there has been no word from Gable or Gary Cooper. The March 1947 reopening was a success, with the resort turning a $250,000 profit by May.

Another time-line reversal was that "Lucky" Luciano was deported in February 1946, but after his going away party, the surrender of Japan is announced, which happened months earlier in August 1945, and was formalized on September 2, 1945. Also, Luciano was deported on a freighter, not on an ocean liner as suggested by the cake. And there was no fancy party, either - he went from Sing Sing prison to Ellis Island to the freighter, then straight to Italy. He did have a small farewell dinner on the ship with a few associates before departing, however.

In the scene where Bugsy is viewing an outdoor patriotic rally through a basement window, all the American flags are hanging incorrectly. They are displayed with the blue fields in their upper right corners, when in fact the fields should be in the upper left corners.

When Virginia Hill is being dragged by Ben in the "Fear of flying " scene she is wearing white shoes. When she arrives in the old casino wearing the same dress and hat, she is now wearing dark colored shoes.

Virginia shoots all the ammo in Bugsy's .45 pistol; when the last round is fired the slide should stay in the "open" position rather than the "closed" position which it stays in. --This is factually one of the most common malfunctions on a semi-automatic pistol, that the slide stop fails to correctly lock the slide back on the pistol when the magazine is empty.--

The cars in this film were very authentic except for the 1948 black Lincoln continental in 1944 and the 1947 Cadillac George (Raft) drives to the studio where he is filming Manpower (1941).

During WW2, all American cars had gas ration stickers on the windshields. Mostly A stickers. There were none on the cars in Bugsy.

After twenty minutes, when Bugsy speaks of Mussolini's friend, he evokes Nazi gas chambers. The story takes place during WW2, a couple of years before gas chambers - and not simple concentration camps - were spoken about to the world audiences.

In Virginia's "fear of flying" scene at the airport, there is an airplane hangar with a sign for "Mobil" attached to it. The "Mobil" design seen was not introduced until the late 1950s. The movie is set in the mid-1940s, and the design that would have been used at that time was Mobil's logo of a white shield with large red Pegasus (flying horse) trademark and the name "Mobilgas" in black.

The story in the paper Bugsy reads With the headline about the allies crossing the Rhine, took place in 1945 but a few days prior Bugsy had visited his friend George Raft on the movie set of a film called Manpower which was released in 1941.

After Siegel (allegedly) murders Greenburg, and as the car containing him and Virginia Hill begins to pull away, you can see in the right rear fender the reflections of two people. One is easy to identify as a human figure, the other looks like someone is possibly hunched over.

The Flamingo was built 4 miles from downtown Las Vegas, 1 mile from The Hotel Last Frontier, not in the middle of nowhere as shown.

A character refers to "visiting the Met" in Chicago. "The Met" is the Metropolitan Museum of Art in New York. There is no museum in Chicago that could be called "The Met". The Chicago art museum is the Art Institute of Chicago.