Compare Substack writers
Up to five side by side: followers, growth, paid band, rank, and the publications that recommend more than one of them. Sponsors use the last part to see which audiences overlap.
 Brian SumersThe Airline Observer | |
|---|---|
| Followers | 19,986 |
| Last 7 days | from Nov 7 |
| Last 30 days | from Nov 30 |
| Subscribers (rounded) | not shown |
| Paid subscribers | Thousands |
| Best board spot | #3 Travel Bestsellers |
| Recommended by | 50 |
| New recommenders, 30 days | +2 |
| Recommends | 5 |
| Tracked since | Oct 31, 2026 |
Followers by day
Each panel has its own scale. Daily history starts on the writer's first reading.
When their recommendations started
Brian Sumers
Live recommendations by month started, last 24 months, Substack's dates. Outlined months are incomplete: Substack lists only the 50 newest recommenders.