Captain Mark Kelly engagement report
@CaptMarkKelly - 526K followers on X
Measured over 46 original posts from a 30-day window, last computed on August 27, 2026.
Engagement
A typical post picks up 1.5K interactions against 526K followers, an engagement rate of 0.285%. Measured over 46 original posts, its engagement rate beats 84% of 3,774 tracked accounts of a similar size. Comparing inside a size band matters here: engagement rate falls as accounts grow, so a raw rate would mostly just re-measure the follower count. Posts are seen about 21K times each, and 7.04% of those impressions turn into an interaction. That is about 4.05% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.9 posts a day over the last 30 days, with activity on almost every day in the window. Most posts go out around 21:00 UTC, and Wednesday is the busiest day of the week. Of the 46 posts sampled, 72% carry an image or video, 7% are part of a thread and 7% link out. The account's strongest tracked post pulled 168K interactions, about 112x its own typical post. Recurring topics include #oh07, #va01.
Measured over 46 original posts from a 30-day window, last computed on August 27, 2026. Recurring tags: #oh07, #va01.
Compared with accounts its own size
Captain Mark Kelly's engagement rate beats 84% of the tracked X accounts closest to it in follower count (3,774 accounts, accounts of similar size (decile 7 of 10)). A percentile is spread evenly by construction, so 50 really is the middle of that group and 90 really is its top tenth.
On engagement per impression rather than per follower it beats 96% of the same group. When those two numbers disagree, the gap is about how far its posts travel rather than how people react to them.
Where this sits in the catalog
At 0.285%, Captain Mark Kelly sits above the 50th percentile of the 36,521 accounts in this comparison. That places it in the above the median band, which runs 0.08% to 0.434%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.002% |
| 25th percentile | 0.012% |
| 50th percentile | 0.08% |
| 75th percentile | 0.434% |
| 90th percentile | 2.10% |
| 99th percentile | 160.7% |
This ruler is the whole measured catalog, not a size-matched group: it shows where the raw rate falls across every account we can measure, all of which are large. For a like-for-like comparison, read the size-band percentile above instead. See how the bands are built
Posting timing
This account posts most often around 21:00 UTC, and Wednesday is its busiest day of the week. The bars below are the catalog-wide pattern, with this account's own busiest slot marked. They do not show how this account performs at each hour: we keep one aggregate per account, not one per hour, so that measurement does not exist in our data.
Show engagement by hour posted, utc as a table
| Hour (UTC) | Vs author median | Posts |
|---|---|---|
| 00:00 UTC | -1% | 50K |
| 01:00 UTC | -2% | 51K |
| 02:00 UTC | -3% | 50K |
| 03:00 UTC | -4% | 53K |
| 04:00 UTC | -6% | 43K |
| 05:00 UTC | -4% | 42K |
| 06:00 UTC | -4% | 48K |
| 07:00 UTC | -5% | 52K |
| 08:00 UTC | -4% | 60K |
| 09:00 UTC | -3% | 69K |
| 10:00 UTC | -2% | 72K |
| 11:00 UTC | -3% | 78K |
| 12:00 UTC | -2% | 86K |
| 13:00 UTC | -2% | 94K |
| 14:00 UTC | -4% | 97K |
| 15:00 UTC | -2% | 100K |
| 16:00 UTC | -3% | 97K |
| 17:00 UTC | -2% | 90K |
| 18:00 UTC | -1% | 84K |
| 19:00 UTC | -2% | 79K |
| 20:00 UTC | -1% | 74K |
| 21:00 UTC | -1% | 66K |
| 22:00 UTC | -2% | 57K |
| 23:00 UTC | -2% | 51K |
Show engagement by day of week as a table
| Day | Vs author median | Posts |
|---|---|---|
| Sunday | +4% | 230K |
| Monday | 0% | 286K |
| Tuesday | -2% | 276K |
| Wednesday | -1% | 251K |
| Thursday | -1% | 244K |
| Friday | -3% | 252K |
| Saturday | +3% | 227K |
Best tweets
- Nov 12, 2022112x their median
Thank you, Arizona. https://t.co/MKmCOGqsZx
- Aug 12, 202636x their median
The White House decided there was a threat so great that Donald Trump was secretly moved to another plane but they never told the passengers on Air Force One. Cowards look out for themselves. Leaders look out for their people. https://t.co/BcIYJEkrXb
- Aug 4, 202614x their median
Donald Trump and Pete Hegseth have completely botched this war. Yesterday, Trump said that Phase 1 is to open the Strait of Hormuz. His goal is now to fix the thing he broke. And the only thing the American people have to show for it is higher prices. https://t.co/WJtMJlTbVO
- Aug 14, 202613x their median
I spoke to a grandmother today worried about her 21-year-old grandson who's aboard the USS Abraham Lincoln. He’s lost 20-25 pounds and is struggling with depression. And so-called leaders like Pete Hegseth aren’t doing a thing about it. https://t.co/sueDJajmPV
- Aug 26, 202613x their median
Welcome to the world, Sloan! My second granddaughter was born this weekend and our family couldn’t be happier. https://t.co/tVz19FtGjo
- Aug 16, 202613x their median
North and South Korea are still technically at war. Our ability to help defend our ally against the North Koreans is because our forces are well trained and able to coordinate with the South Koreans. Hollowing out these joint exercises is shortsighted and a mistake. https://t.co/VLO3t7Ghbf
- Aug 19, 20269.0x their median
The President said he’d pay off the debt in his first term. Well we all knew that was a lie. Instead he ran it up to $40 trillion while he and his family made billions. https://t.co/iy46BCgs0V
- Aug 25, 20265.2x their median
Eight years ago today, we lost John McCain. He served our country with courage throughout his life — as a Navy pilot who was taken as a POW, a Senator for over 30 years, and a leader who never stopped fighting for Arizona. That kind of service is worth honoring, today and always.
- Aug 15, 20264.0x their median
ICE has been detaining spouses and parents of servicemembers. These are mothers, fathers, husbands, wives — people who keep families together while their loved ones serve. I'm fighting this and working to get them back to their families because they deserve better than this. https://t.co/yUDYo0Z8d3
- Jul 31, 20263.9x their median
I’m a veteran for @SherrodBrown. https://t.co/s1EUwFYhUf
Ranked by total interactions across everything we have tracked for this account, which is a longer history than the 30-day window the rates above use. The multiple compares each post to this account's own median.
Recurring topics
The most frequent hashtags in the sampled posts. They describe what this account writes about; they are not a performance signal, and the catalog-wide breakdown on the hub shows how little hashtag count moves.
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Reading these numbers
A typical post picks up 1.5K interactions against 526K followers, an engagement rate of 0.285%. Measured over 46 original posts, its engagement rate beats 84% of 3,774 tracked accounts of a similar size. Comparing inside a size band matters here: engagement rate falls as accounts grow, so a raw rate would mostly just re-measure the follower count. Posts are seen about 21K times each, and 7.04% of those impressions turn into an interaction. That is about 4.05% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.9 posts a day over the last 30 days, with activity on almost every day in the window. Most posts go out around 21:00 UTC, and Wednesday is the busiest day of the week. Of the 46 posts sampled, 72% carry an image or video, 7% are part of a thread and 7% link out. The account's strongest tracked post pulled 168K interactions, about 112x its own typical post. Recurring topics include #oh07, #va01.
- What is Captain Mark Kelly's engagement rate on X?
- Captain Mark Kelly (@CaptMarkKelly) has an engagement rate of 0.285%, based on the median interactions across 46 original posts from the last 30 days against 525,913 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.285%, Captain Mark Kelly sits above the 50th percentile of the 36,521 accounts in this comparison. Those comparison accounts are all large ones, because our scanning cadence is weighted towards big accounts, so this is a ranking among peers of similar scale rather than a ranking across X.
- Does @CaptMarkKelly have real engagement?
- Its engagement rate beats 84% of the tracked X accounts closest to it in follower count (3,774 accounts), which puts it in the top quarter for its size group. Ranking inside a size band matters because engagement rate falls as accounts grow, so a raw rate would mostly re-measure the follower count. It is a starting point for a look at follower quality, not a verdict on it.
- When does @CaptMarkKelly post?
- Most posts go out around 21:00 UTC, and Wednesday is its busiest day, at roughly 1.93 posts per day across the measured window.