Level8 vs Travelpro: Carry-On: Picks That Actually Hold Up
I've been buying carry-ons like other people buy shoes. Seven of them now sit in various states of retirement in my basement, and my wife has started asking, out loud, in front of guests, why a grown man needs that many roller bags. Fair question. I don't have a great answer beyond: the last one always disappoints me a little, and I keep chasing the one that won't.
This time it's a real fight, though, Level8 against Travelpro — because I've flown with both enough to have opinions, and because enough of you have emailed me asking "which one" that I should probably just say it in public.
Where I'm coming from
80-something segments a year, mostly out of ORD and DFW, with enough Southwest and United mixed in that I honestly couldn't tell you the number of times a bag of mine got gate-checked. I don't run these things through a lab. I run them through jet bridges, TSA bins at Midway, and the overhead bin fight on a regional jet that should not legally have overhead bins. That's the sample size. Small, uncontrolled, real.
Travelpro Platinum Elite 21" — the one the pilots actually use

This is the bag flight crews spend their own cash on, which tells you something. Mine's been through maybe 90 flights and the wheels still roll straight and true, unlike some cheaper spinners that start pulling to one side after a year. It's not glamorous. It looks like something a consultant owns, because it is.
Travelpro's own reviewers, though, gripe about the same stuff across the board, zipper failures showing up before trip fifteen on some units, and a chorus of people insisting the "14-inch wide" spec is more like 13. I haven't had a zipper go on mine, but I believe the complaints; when people gripe about Travelpro, it's the zippers and warranty hassles that come up most. Price is the other sticking point — you're at about $259 for the 21-inch, and people openly call that steep for what is, at the end of the day, a black nylon box on wheels.
Level8 — the one that surprised me
I did not expect to like a Level8 bag. I bought the Grace Carry-On because a colleague wheeled one through O'Hare and I liked the color, honestly, which is a dumb reason to spend money but here we are.

The front pocket does most of the selling here and it mostly works, the laptop compartment holds a 16-inch MacBook and still leaves room for extras like a tablet and a set of chargers, which for me means I can skip the separate backpack on short trips. That's not nothing. I noticed the same point popping up in review after review: more organized than an old Samsonite, with more pockets so your laptop and your tablet don't end up tangled together with the rest of your stuff in one big compartment.
There's real complaint traffic on the zipper pull, though, since the little loop meant for grabbing the zipper doesn't hold up well. Multiple owners describe it snapping off early, occasionally right out on the first use, and a few say the zipper itself keeps functioning but you're stuck pinching a broken nub to open your own suitcase. I haven't had that happen on mine, five trips in, but the complaint pops up often enough in other reviews that I'd call it the main thing to watch for, not a rumor.

Wheels are the pleasant surprise. A few different owners said it handled the gaps at Atlanta's transit stations and the midtown sidewalks just fine, and mine has managed O'Hare's terrible flooring without complaint. And the price, roughly $140 to $160 based on which color you pick, is doing real work here. You're getting front-pocket organization and wheel performance that Briggs & Riley owners pay ~$500-plus for, and even then people gripe that it wasn't worth the money. Level8 wins that math easily. Best value on this list, not close.
Worth checking first: some Level8 models measure roughly 22 x 14.5 x 10 inches, while the major US carriers actually cap carry-ons at 22 x 14 x 9. A couple of owners ended up paying United roughly $50 right there at check-in over it. Check the exact dimensions of your model before you assume it'll clear the sizer.
Samsonite, if you're stubborn about brand loyalty
I own an old Samsonite hardside that's outlived two marriages' worth of drama (not mine, a coworker's, long story involving a broken zipper at Newark). Samsonite's complaint volume skews toward durability and wheels, the wheels specifically break down faster than Level8's in the review data, and that's the single spot where I'd give Level8 the clear edge. Everything else about Samsonite is fine. Fine isn't exciting to write about.
So which one goes in my trunk
Travelpro makes sense once you're flying often enough that ~$259 stops feeling like a number and starts feeling like a tool purchase. The wheels alone justify it over three or four years of real use.
Level8 gets you most of that functionality, the organization, the wheel quality, the front-access laptop pocket, for roughly half of what you'd pay, just keep an eye on how well the little zipper tab holds together over time and double check the size chart against your airline. I'm still using mine. That tells you something no product listing ever could.