Patagonia Black Hole Wheeled Duffel 40L on Southwest Airlines
Bag 21.75×14.5×11" vs sizer 24×16×10"
Fits, if packed soft.
🎒 Backpacker's tip: The Patagonia Black Hole Wheeled Duffel 40L is soft-shell, so its depth runs ~1.5" over Southwest Airlines's limit — but it squeezes into the metal sizer fine as long as you don't over-stuff the front pockets.
The verdict, explained
At 21.75x14.5x11", the Patagonia Black Hole Wheeled Duffel 40L is over Southwest Airlines's 24x16x10" limit by 1" on its shortest side, but it is a soft-sided bag. Cinch the compression straps and avoid overstuffing the outer pockets and it will squeeze into the metal sizer; pack it bulging, though, and a gate agent may flag it. On Southwest Airlines: Generous 24x16x10 carry-on plus two free checked bags. It is too large for Southwest Airlines's under-seat personal-item space, so it has to go overhead or be checked.
| Axis | Bag | Sizer | Margin |
|---|---|---|---|
| Length | 21.75" | 24" | +2.2" |
| Width | 14.5" | 16" | +1.5" |
| Height | 11" | 10" | -1" |
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Frequently asked
Does the Patagonia Black Hole Wheeled Duffel 40L fit Southwest Airlines's carry-on size limit?
Just about. The Patagonia Black Hole Wheeled Duffel 40L is slightly over Southwest Airlines's 24x16x10" limit, but as a soft-sided bag it compresses into the sizer when packed sensibly.
What is Southwest Airlines's carry-on size limit?
Southwest Airlines allows carry-on bags up to 24x16x10" (length x width x height), including wheels and handles. Generous 24x16x10 carry-on plus two free checked bags.
Can the Patagonia Black Hole Wheeled Duffel 40L be a personal item on Southwest Airlines?
No. At 21.75x14.5x11" it is too big for Southwest Airlines's under-seat personal-item space (18.5x13.5x8.5"); it travels as a carry-on instead.
The full verdict on the Patagonia Black Hole Wheeled Duffel 40L — every airline sizer it clears, and the ones it doesn't.
Bags that clear Southwest Airlines's sizer
Alternatives that fit the 24×16×10" limit outright.
The Patagonia Black Hole Wheeled Duffel 40L on other airlines
Same bag, different sizers — check before a connecting or return flight.
- ✕Delta Airlines
- ✕American Airlines
- ✕United Airlines
- ✕JetBlue
- ✕Alaska Airlines
- ≈Spirit Airlines
- ≈Frontier Airlines
- ✕Hawaiian Airlines
- ✕Allegiant Air
- ✓Sun Country Airlines
- ✕Ryanair
- ≈easyJet
- ✕Wizz Air
- ≈British Airways
- ✕Lufthansa
- ✕Air France
- ✕KLM
- ≈Iberia
- ✕Vueling
- ✕Eurowings
- ✕Norwegian
- ✕TAP Air Portugal
- ✕SAS Scandinavian
- ✕SWISS
- ✕Austrian Airlines
- ✕Aer Lingus
- ✕Finnair
- ✕ITA Airways
- ✕Brussels Airlines
- ✕LOT Polish Airlines
- ✕Transavia
- ✕Volotea