Can the plane take off on time every day in Yichun?

Anyway, July and August are the rainy season in Yichun. At this time, the probability of plane delay is definitely high, but don't think so well. Even if the plane is on time in Yichun, if the plane is approaching Dalian, there will be lightning near Dalian airport.

thunder

The plane will be late, so nothing is absolute.