I notice for summer 2019 that TUI have learnt from issues last summer on LCA and PFO flights on Sunday nights where the average inbound delay was 48 mins mainly due to delays getting aircraft turned around and slot restrictions in the Nicosia sector
So this year a number of Sunday night flights will have 1h15 to 1hr 40 min turnarounds to try and make it appear that the inbound flights operate more on time which I am sure customers will like just means a bit longer day for the crew