How to Say ‘I will be late’ at Work

When you need to tell your manager or team that you will arrive after the expected time, the direct phrase “I will be late” can sometimes sound too blunt or incomplete. In a workplace setting, the best way to say this depends on how late you are, who you are telling, and whether you are speaking in person, on the phone, or writing an email. This guide gives you clear, professional, and polite alternatives for every common work situation, so you can communicate the delay without sounding careless or unprepared.

Quick Answer: What to Say Instead of ‘I will be late’

If you need a fast replacement right now, use one of these phrases depending on your situation:

• For a short delay (5–10 minutes): “I am running a few minutes behind.”
• For a longer delay (15–30 minutes): “I am running late and will be there by [time].”
• For an email to your manager: “I wanted to let you know that I will be arriving a bit later than planned.”
• For a team meeting: “I am stuck in traffic and will join the call as soon as I can.”

These alternatives sound more responsible and give the listener a clear idea of when to expect you.

Polite Everyday Phrases for Speaking

When you are speaking to a colleague or your boss in person or over the phone, you want to sound apologetic but not overly dramatic. Here are the most natural spoken phrases:

• “I am running a bit late this morning.”
• “I am sorry, I am behind schedule.”
• “I am on my way, but I am caught in some traffic.”
• “I will be there in about 15 minutes.”

When to use it: Use these phrases when the delay is small and you are already in communication with the person. They work well for casual conversations with coworkers or direct reports.

Common Mistake

Do not say “I am late” without an apology or a time estimate. For example, saying “I am late” and then stopping sounds like you are stating a fact without taking responsibility. Always add a short apology or a time frame.

Professional Email Alternatives

Writing an email about being late requires a more formal structure. You should state the reason briefly, apologize once, and give a new arrival time. Here are three ready-to-use email templates:

Email to Your Manager

Subject: Running a bit late this morning
Body: Hi [Name], I wanted to let you know that I am running behind schedule due to [reason]. I expect to be at the office by [time]. I will catch up on my tasks as soon as I arrive. Thank you for your understanding. Best, [Your Name]

Email to a Team About a Meeting

Subject: Slight delay for today’s meeting
Body: Hi everyone, I am running a few minutes late for our meeting. Please start without me, and I will join as soon as I can. I will review the notes afterward. Thanks, [Your Name]

Email to a Client or External Partner

Subject: Update on our appointment
Body: Dear [Name], I apologize for the short notice, but I will be arriving a bit later than planned for our meeting. I will be there by [time]. Please let me know if that still works for you. Kind regards, [Your Name]

When to use it: Use the first email for daily delays, the second for team meetings, and the third for external appointments. Always keep the tone professional and avoid over-explaining.

Workplace Speaking Phrases

In a workplace, you often need to announce a delay in a meeting or a group chat. These phrases are direct and respectful:

• “I apologize for the delay. I am on my way now.”
• “I am running behind, but I will be there shortly.”
• “I am stuck in a previous meeting that is running over.”
• “I will be a few minutes late. Please proceed without me.”

Common Mistake: Avoid saying “I am late because of [long excuse].” Keep the reason short. For example, “I am late because my train was delayed and then I could not find a parking spot” is too much information. Instead, say “I am running late due to a transit delay.”

Formal and Casual Versions

Knowing when to be formal and when to be casual is important. Here is a comparison table to help you choose the right tone:

When to use it: Use formal versions for managers, clients, and official communication. Use casual versions only with close coworkers or in informal team chats.

Natural Examples

Here are five natural workplace conversations that show how to use these phrases correctly:

1. Manager to team: “I am running about 10 minutes behind for our stand-up. Please start the updates, and I will join shortly.”
2. Employee to boss on phone: “Hi, I am on my way, but there is an accident on the highway. I will be there by 9:30.”
3. Colleague in a chat: “Sorry, my previous meeting ran over. I will be there in 5 minutes.”
4. Email to client: “I apologize for the delay. I will be available for our call at 3:15 instead of 3:00.”
5. Team member in a meeting: “I am running a bit late. Please continue, and I will review the notes afterward.”

Common Mistakes

English learners often make these mistakes when saying they are late at work. Avoid them to sound more professional:

• Mistake 1: “I am late because I woke up late.”
  Fix: “I am running behind this morning. I will be there by [time].” (Do not give personal excuses.)
• Mistake 2: “I will be late, sorry.”
  Fix: “I apologize for the delay. I will arrive in 15 minutes.” (Add a time estimate.)
• Mistake 3: “I am late for the meeting.”
  Fix: “I am running a few minutes late for the meeting. Please start without me.” (Show that you respect others’ time.)
• Mistake 4: “I am sorry I am late because of traffic.”
  Fix: “I am stuck in traffic and will be there shortly.” (Keep it brief.)

Better Alternatives for Specific Situations

Sometimes you need a phrase that fits a very specific context. Here are better alternatives for common work scenarios:

• When you are late for a one-on-one meeting: “I apologize for keeping you waiting. I am ready to start now.”
• When you are late for a deadline, not a meeting: “I am behind schedule on this task. I will send you an update by the end of the day.”
• When you are late due to a technical issue: “I am having trouble connecting to the network. I will join the call as soon as it is resolved.”
• When you are late and need to reschedule: “I am running later than expected. Would it be possible to push our meeting to [time]?”

Mini Practice Section

Test yourself with these four questions. Write your answer, then check the suggested response below.

Question 1

You are 15 minutes late for a team meeting. What do you say in the team chat?

Suggested answer: “I am running 15 minutes late for the meeting. Please start without me, and I will catch up on the notes.”

Question 2

You need to email your boss about being late due to a train delay. Write the first sentence.

Suggested answer: “I wanted to let you know that I am running behind schedule this morning due to a train delay.”

Question 3

You are on the phone with a client and you are 10 minutes late. What do you say?

Suggested answer: “I apologize for the delay. I am on my way and will be there in about 10 minutes.”

Question 4

You are late for a casual check-in with a coworker. What is a natural phrase?

Suggested answer: “Sorry, I am running a bit behind. Be there in 5 minutes.”

Frequently Asked Questions

1. Should I always apologize when I am late at work?

Yes, a brief apology shows respect for the other person’s time. One apology is enough. Do not apologize multiple times in the same message.

2. Is it okay to say “I am late” in an email?

It is better to use a more complete phrase like “I am running behind schedule” or “I will be arriving later than planned.” “I am late” sounds too direct for written communication.

3. How much detail should I give about why I am late?

Give one short reason, such as “traffic,” “a transit delay,” or “a previous meeting ran over.” Do not give a long story. Keep it professional.

4. What if I am late very often?

If you are frequently late, you should address the root cause rather than just using better phrases. However, when you are late, always communicate early and give a clear new arrival time.

For more helpful guides on workplace communication, visit our Workplace Speaking Phrases section. You can also explore Polite Everyday Phrases for casual situations or Professional Email Alternatives for written communication. If you have questions about our content, see our FAQ or read our Editorial Policy.