Up in the air: Meaning and Examples

Updated 2026-10-03 · Idiom Meanings editorial team

Quick answer: When something is up in the air, it means the outcome is undecided or uncertain. This common idiom describes a situation where a final decision has not been made, leaving everyone waiting for clarity on what will happen next.

What Does "up in the air" Mean?

The phrase up in the air indicates that a matter is unsettled. It refers to any decision, plan, or result that has not yet been finalized. You use it when the answer is not known and no one has committed to a specific course of action yet.

It often conveys a sense of suspension or limbo. People feel stuck because they cannot move forward with other plans until this specific issue is resolved. The uncertainty can create anxiety or simply require patience while waiting for more information or a final vote.

How People Use It Today

Modern speakers use this idiom in both casual conversations and professional settings. It frequently appears when discussing travel plans, job offers, or project timelines that depend on external factors. For instance, if a company is still negotiating a contract, employees might say their new start date is still up in the air.

Example Sentences

Our vacation plans are still up in the air because we are waiting for the weather forecast.
The verdict of the competition remains up in the air until the judges finish their deliberations.
I cannot book the hotel yet because the approval is still up in the air.
Her career path feels up in the air after she decided to leave her stable job.
The outcome of the election is currently up in the air with only a few votes left to count.
Let us not panic; the final decision is up in the air but likely to happen soon.
His future with the team is up in the air due to his recent injury.
The details of the merger are up in the air, so do not share this with the press.
Our dinner reservation is up in the air since the restaurant called to confirm their hours.
The project deadline is up in the air, which makes scheduling the final review difficult.

Idioms With a Similar Meaning

Up for grabs: This implies something is available to be won or taken, whereas up in the air focuses on uncertainty rather than availability.
In limbo: This emphasizes a state of suspension or neglect, while up in the air highlights the lack of a final decision.
On the back burner: This means something is being ignored or delayed intentionally, while up in the air suggests active uncertainty about the outcome.
Pending: This is a more formal term for something waiting for action, whereas up in the air is an informal idiom describing unresolved status.
In the balance: This suggests a situation is precarious or at risk of failing, while up in the air simply means the result is not yet known.
Unresolved: This describes a problem that has not been fixed, while up in the air specifically refers to decisions or outcomes that are undecided.

Opposite or Contrasting Phrases

Set in stone: This means a decision is final and cannot be changed, which is the direct opposite of being undecided.
Locked in: This indicates that a plan or agreement is confirmed and secure, removing any doubt about the outcome.
Clear as day: This describes a situation that is obvious and understood, contrasting with the confusion of an uncertain outcome.
On firm ground: This suggests stability and certainty in a situation, whereas up in the air implies instability and lack of resolution.

When to Use It and When Not To

You can use this idiom freely in everyday conversation, emails to colleagues, and informal writing. It works well to explain delays or to manage expectations when you do not have a definitive answer yet. It is a safe and widely understood phrase for describing temporary uncertainty.

Avoid using it in highly formal legal documents or academic papers where precise terminology is required. Instead of saying a policy is up in the air, use words like tentative or undetermined. Also, do not use it to describe physical objects that are actually floating, as the metaphor is reserved for abstract situations.

Example Dialogues

Are we meeting at noon or one o'clock?

The time is still up in the air until the boss confirms her schedule.

I bought tickets for the concert next month.

That is risky since the artist's health status is up in the air.

Do you know if the new policy starts tomorrow?

Everything is up in the air because the committee has not finalized the rules.

Can I tell the clients they got the contract?

No, the outcome is up in the air until the board votes.

Why are you packing so slowly?

The flight status is up in the air due to the storm warnings.

More Example Sentences

The wedding venue selection is up in the air because both locations are currently booked.
His promotion feels up in the air now that the department head has resigned.
The travel itinerary is up in the air while we wait for visa approvals.
Product launch dates remain up in the air due to unexpected supply chain delays.
The winner of the debate is up in the air as online polls show a tight race.
Her acceptance to the university is up in the air pending her final exam scores.
The renovation timeline is up in the air since the contractor found structural issues.
The menu for the potluck is up in the air until everyone confirms their dietary needs.

In Formal Writing, Say This Instead

Undecided: The final budget allocation remains undecided pending further review.
Unconfirmed: The guest speaker's attendance is unconfirmed as of this morning.
Subject to change: Please note that the project milestones are subject to change.
Pending resolution: The contract terms are pending resolution by the legal team.
Indeterminate: The duration of the maintenance outage is currently indeterminate.

Frequently Asked Questions

Is up in the air a positive or negative phrase?

It is neutral but often implies frustration. While it simply means undecided, people usually use it when they are annoyed by the lack of clarity or unable to proceed with other plans.

Can I use up in the air for physical objects?

No, you should only use it metaphorically. It refers to decisions, plans, or outcomes. Using it to describe a balloon or bird would be confusing and incorrect usage of the idiom.

What is the difference between up in the air and maybe?

Maybe is a simple word for uncertainty. Up in the air is an idiom that suggests a situation is stalled or suspended, implying that an external decision is needed to resolve the uncertainty.

Do I need to capitalize up in the air?

No, you do not capitalize it unless it starts a sentence. It is a common idiomatic phrase, not a proper noun, so it follows standard capitalization rules for regular words in a sentence.