Certain aspects of the present disclosure provide techniques opportunistic retransmissions. According to certain aspects, a user equipment (UE) may transmit data associated with a first hybrid automatic repeat request (HARQ) process, receive signaling indicating the UE is to retransmit the data in at least one subframe not belonging to the first HARQ process, and retransmit the data on the at least one subframe. According to certain aspects, a base station (BS) may schedule a UE to transmit data on a first HARQ process and signal the UE to retransmit the data in at least one subframe not belonging to the first HARQ process.