BetterNow makes the transfers of donations monthly. You can see the payout schedule for 2017-2018 below.
As a general rule, the monthly payout is done on the first weekday after the 7th of the month. This is the day the reports are created, send by email and payments are initiated. You might first receive the actual payment the days following the below dates.
Payout Schedule 2017
Payout Schedule 2018