It will air later this season, after Work It! fails miserably.
Also saw this on Twitter:
Also, I'm sure you're aware that the same is true for Community. It will still air its full order, it just doesn't have a timeslot yet. They're waiting to see how other stuff does.
Also saw this on Twitter:
Paul Lee is the president of ABC, so if he's high on Apartment 23 and it wasn't scheduled yet either, then we can expect they'll both show up later in the spring when other shows have finished their runs or have flamed out.
Also, I'm sure you're aware that the same is true for Community. It will still air its full order, it just doesn't have a timeslot yet. They're waiting to see how other stuff does.