Monarch didn't cancel a single flight at all yesterday
Neither did Wizzair.
Were easyjet departures possibly cancelled for other reasons
I remember a BMA Viscount sitting on the tarmac at a certain airport, with mechanics working on the # 3 engine, the cowling open for all to see. The departure board (well it
was a few years ago before everyone went low-cost high-tech low-reliability) in the adjacent terminal said the delay to the flight was due to "weather".
Some things it seems, never change...