A user makes the following request:”I need to see the number of flights throughout the year that
arrived or departed more than 15 minutes early or late by origin and destination airport, by carrier,
and by time of day. I want to see if the number of flights delayed is greater for large carriers or
small carriers.”Based on this request, the following metrics have been identified: Flight count, and
minutes early or late. Large carriers operate signifigantly more flights than small carriers. Which of
the following additional metrics or calculations would provide the MOST value to the user?

A.
Average number of flights 15 minutes early or late

B.
Percentage of flights 15 minutes early or late

C.
Average minutes early or late

D.
Origin/Departure airport count