How the aviation communities compare
A few giants dominate — r/aviation, r/aviationmaintenance and r/Planes together account for 97% of the combined membership. r/aviation is both the biggest and the busiest, with about 56 new posts a day. Per member, the liveliest is r/Planespotting: 36 posts a day from 58.6K members — a smaller crowd, but an engaged one. The oldest is r/aviation, founded in 2008, and every community here is more than five years old — this is a long-established corner of Reddit.
The 5 biggest aviation subreddits
r/aviation 2,825,875 members · ~56 posts/day · +3.3K since Oct 26 · since 2008Aircraft, airplanes, aviation, and flying. Helicopters & rotorcraft, airships, balloons, paragliders, and anything that sustains you in the air is acceptable to post here. Please read our rules before posting, and check if there …
- Ar/aviationmaintenance ↗ 108,534 members · ~9.4 posts/day · since 2014
This subreddit is for all aviation maintenance technicians and enthusiasts of the inner workings of aircraft. Please see r/aviationmtcSALES for purchases/sales.
- Pr/Planes ↗ 76,157 members · ~11 posts/day · since 2009
Planes
- Pr/Planespotting ↗ 58,640 members · ~36 posts/day · since 2012
A place to share your stories, spotting locations, pictures and videos of plane spotting.
- Ar/AviationHistory ↗ 28,409 members · ~9.3 posts/day · since 2013
Come one, come all to the amazing aviation history! With a large community from aviation hobbyists, aviation buffs and beyond, you will be welcomed here! Fly on over to this subreddit, and you will not regret it!
Choosing where to post
r/aviation moves fastest, with about 56 new posts a day, so posts there get replies quickly but also slide off the front page within hours.
Big subreddits give a post the widest audience, but they also bury it quickly; the mid-sized communities on this list are usually friendlier for questions and first posts. Always read the rules in the sidebar first — each community is run by its own volunteer moderators. Our guide to searching Reddit explains how to dig through any of these communities, and the subreddit info tool gives you the stats of one we don't list.
Frequently asked questions
Which aviation subreddit has the most members?
r/aviation is the largest, with 2,825,875 members, followed by r/aviationmaintenance (108.5K) and r/Planes (76.2K).
Where are the most new aviation posts?
By new posts per day, r/aviation leads with about 56, ahead of r/Planespotting (36). Counts are averages over the last seven days.
How many aviation communities are on this list?
We list 5 active, safe-for-work aviation communities with at least 25,000 members each, 3.1M members in total (people can be in several). Reddit has many smaller ones too; our guide on searching Reddit shows how to find them.
What is the oldest aviation subreddit?
r/aviation, created on Apr 19, 2008.
Are these aviation subreddits safe for work?
Yes. Every community on this page is public and not marked 18+ by Reddit, and we filter out communities whose name or description points to adult content.
Data: Reddit's public subreddit search and the Arctic Shift archive (Nov 6, 2026), growth from SubMouse's weekly snapshots. Member counts of communities outside our Top 1000 come from the archive and can lag a little. Not affiliated with Reddit.