Average Route Track

[MD-82 3]

Hello,

 

to the expert(s) here I was wondering if there is a way to create an average track for the main route. Unfortunately, even though the data field is available for the alternates, it is not available for the main airports. I tried a combination of all relevant data fields to see if it was there but not mentioned. No luck. Would there be a way to at least create a magnetic track (MT) number, using the two airports?

 

Thanks..