Suggestion - flight number management

Hello,

Could it be possibile to manage the same flight numbers for different routes, if the routes are scheduled in different days?
eg.
TODAY
Route 1 Mo, We, Fr flight no. 002
Route 2 Tu, Th, Sa flight no. 004
Route 3 Su flight no. 006

TOMORROW
Route 1 Mo, We, Fr flight no. 002
Route 2 Tu, Th, Sa flight no. 002
Route 3 Su flight no. 002

Thank you

No, a flight number can only used once sadly and adding letter won’t work either.