The best day to arrive at Zurich is Wednesday and it would be best to avoid Friday, as prices are on average 196.05% higher than on Wednesday. (Average prices, based on 394 datapoints.)
At Zurich the most flights depart around 06:00. (Hourly flights, based on 456 datapoints.)
From Zurich most of the flights depart to London, second best connected from Zurich is Frankfurt. (Daily flights, based on 81 datapoints.)