The present disclosure relates to failure detection and recovery in wireless communications. According to an embodiment of the present disclosure, a method performed by a user equipment (UE) configured to operate in a wireless communication system comprises: receiving a mobility command for a target cell group (CG), wherein the mobility command comprises an execution condition for a mobility to the target CG, and recovery information informing that the execution condition is used as a condition for a failure recovery; detecting a failure of a CG; evaluating the execution condition based on the recovery information after detecting the failure of the CG; and performing the mobility to the target CG based on the execution condition being fulfilled.