ULA Equipment Ultra 36L Dragonfly vs. Bellroy Transit Backpack Plus

Two carry-on travel backpacks, compared spec for spec.

ULA Equipment Ultra 36L Dragonfly

Front facing view of the ULA Equipment Ultra 36L Dragonfly
Capacity36 L
Weight0.9 kg
Dimensions52×30×19 cm
Airline fit88%
Price$320

Feature by feature

ULA Equipment Ultra 36L DragonflyFeatureBellroy Transit Backpack Plus
Storage
2 Compression N
None Expanded Capacity None
1 Opening 1
top Passport top
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt N
removable Sternum Strap removable
Inside
17in Laptop 16in
4 Main Compartments 4
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
Challenge ULTRA, ULTRA TX, UltraStretchBaida Nylon

Bellroy Transit Backpack Plus

Front facing view of the Bellroy Transit Backpack Plus
Capacity38 L
Weight1.5 kg
Dimensions55×38×24 cm
Airline fit19%
Price$320

Key differences between the ULA Equipment Ultra 36L Dragonfly and Bellroy Transit Backpack Plus

Both have: passport pocket, backpack straps, sternum strap, water bottle pockets, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 35 accept both. 132 accept only the ULA Equipment Ultra 36L Dragonfly, and 0 accept only the Bellroy Transit Backpack Plus.

Only the ULA Equipment Ultra 36L Dragonfly fits

Aerolineas Argentinas, Air Asia, Air Baltic, Air Canada, Air China, Air Europa, Air France, Air India, Air Koryo, Air Macau, Air Malta, Air Mauritius, Air Serbia, Air Seychelles, Air Tahiti Nui, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Azul Linhas, Bahamasair, Bangkok Airways, Biman Bangladesh, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Caribbean Airlines, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, China Southern, CommutAir, Conviasa, Copa Airlines, Croatia Air, Cubana de Aviacion, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Hainan Airlines, Hawaiian Airlines, Hong Kong Airlines, Icelandair, Indigo, InselAir, Iran Air, Iran Aseman Air, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Korean Air, Kulula, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Pakistan International, Philippine Airlines, Porter Airlines, Qantas Airways, Republic Airways, Royal Air Morocco, Royal Brunei Airlines, Ryanair, S7, SAS Scandinavian, Saudi Arabian Airlines, Scoot, Shandong Airlines, Shenzhen Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Sky Airlines, Skywest, Inc., South African Airways, SpiceJet, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAAG Angola, TAM Airlines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Ural Airlines, Uzbekistan Air, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, WestJet, Xiamen.

ULA Equipment Ultra 36L Dragonfly vs. Bellroy Transit Backpack Plus: which should you pack?

The Bellroy Transit Backpack Plus carries 2L more than the ULA Equipment Ultra 36L Dragonfly (36L vs. 38L), while the ULA Equipment Ultra 36L Dragonfly is the lighter pack at 0.9kg (vs. 1.5kg). For carry-on flexibility, the ULA Equipment Ultra 36L Dragonfly fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Bellroy Transit Backpack Plus; if you want to travel lighter, the ULA Equipment Ultra 36L Dragonfly is the better call.