Used when an important decision has been delayed and is still pending. The board meeting concluded but the future of the project is still up in the air.
Pro Tip 2/3
Temporary Uncertainty
Reflects a situation that is temporarily uncertain but expects resolution. With the election coming up, the new policy is up in the air.
Pro Tip 3/3
Expressing Concern
Indicates a speaker's concern or anxiety about something undecided. I'm worried because my job application status is still up in the air.