Usually the update schedule is in the Samsung Members app @RazM
It also can depend on region and if Samsung or a network supplied the phone.
Check Samsung Smartswitch to see if any updates are pending that way.
🏳️🌈Stay Safe 🏳️🌈
Current Phone ~
Samsung Note 20 Ultra 5G SM-N9860_256Gb SnapDragon 865+
Samsung One Ui 3.0/ Android 11.