offload

To unload.

To get rid of things, work, or problems by passing them on to someone or something else.

To pass the ball.

To deny a person on a standby list due to lack of space.

To change a passengers' ticket status from "checked in" to "open", allowing further changes. (This applies regardless of whether the passenger has boarded the aircraft or not).

To use a complementary network technology to deliver data originally targeted for cellular networks.