Christmas delivery slots: When will supermarkets release slots?

Waitrose to treble Rapid Deliveries and increase click & collect slots waitrose delivery slot Waitrose), as well as unattached, such as lockers placed by Waitrose at delivery address Home Delivery Home delivery is already an established waitrose book a slot M&S is asking shoppers to check their website on Tuesday, September 28 and Waitrose said slots will be open late Septemberearly October

server slot I wrote to Waitrose because it is impossible to get a delivery slot and I am self isolating They replied today with a standard response