Season	Events	Description	From	Until
W19	AGREED HISTORIC DEADLINE	Agreed historic slot deadline for Winter 2019/2020	2019/05/09	2019/05/09
W19	SLOT SUBMISSION DEADLINE	Deadline for Submission of initial slot requests for coordinated airports and schedule Information for facilitated airports	2019/05/16	2019/05/16
W19	SAL DISTRIBUTION DEADLINE	Deadline for the SAL distribution by coordinators and schedules facilitators for Winter 2019/2020	2019/06/06	2019/06/06
W19	SAL DISTRIBUTION DEADLINE		2019/06/06	2019/06/06
W19	IATA SC 144	IATA Schedule Conference for Winter 2019/2020	2019/06/18	2019/06/20
W19	IATA SLOT HANDBACK DEADLINE	IATA Slot handback deadline for Winter 2019/2020	2019/08/15	2019/08/15
W19	START OF USE IT OR LOSE IT CALCULATION	Reference date for the use it or lose it calculation for Winter 2019/2020	2019/08/31	2019/08/31