Hello Wotoapaiph75
Welcome to the SBB Community.
Supersaver tickets are available for anyone, at full or half fare option.
They are only valid for the connection as chosen during purchase. if you can’t meet the departure time and it is your fault, e.g. due to late arrival of your flight, or because you forgot the time, you must purchase a complete new ticket.
Further information is given here:
https://www.sbb.ch/en/tickets-offers/tickets/point-to-point-tickets-switzerland/supersaver-tickets.html
Kind regards,
Roland