I have this flix "from a source that shall remain nameless", and it's ok. It a step above Flyboys or made a 1/2 step but it is better. There are 4 flight scenes in the movie they are as follows:
Scene 1 - The opening dogfight that introduces MvR and his 3 friends
Scene 2 - The dogfight above - it is the longest and best flight scene in the movie.
Scene 3 - A night dogfight between Jasta Von Ricthofen and a large formation of allied bombers.
Scene 4 - The full wing attack by the Ricthofen flying wing on the opening day of the German attack in the spring of 1918.
There are very brief scenes less then 10 sec in length in other places but those are all the dogfights of any real length.
The movie is highly inaccurate. It does get many things right but it takes a number of liberties that detract from it being a good movie. MvR go from a fresh faced dashing hero to a sullen disillusioned man. One of the most telling error was the casting of Til Schweiger as Werner Voss. If you've ever seen of picture of Voss he looks all of 16; very youthful. Til is great actor but badly cast in this role he's just to old. The movie really tries to show how the war changed the boys in man and really ground down the toughest warriors. It's worth a look if you can find it.