Interesting analysis. 1. What about the annual peaks roughly 5 minutes. Seem to occur in winter? I would have thought summer delays are more, on the average?

Interesting analysis. 1. What about the annual peaks roughly 5 minutes. Seem to occur in winter? I would have thought summer delays are more, on the average? 2. Mentioning DEI at FAA without any substantial data tarnishes an otherwise interesting study.