United by Blue (R)evolution 25L Convertible Carryall vs. Deuter Transit 40

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

United by Blue (R)evolution 25L Convertible Carryall

Capacity25 L
Weight0 kg
Dimensions39×34×13 cm
Airline fit96%
Price$120

Feature by feature

United by Blue (R)evolution 25L Convertible CarryallFeatureDeuter Transit 40
Storage
N Compression Y
None Expanded Capacity None
0 Opening 0
front Passport front
N Passthrough N
Carry
hideable Backpack hideable
N Hip Belt hideable
removable Sternum Strap
Inside
15in Laptop 15in
2 Main Compartments 6
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder
Y Water Resistant Y
Material
600d Polytex

Deuter Transit 40

Front facing view of the Deuter Transit 40
Capacity40 L
Weight1.9 kg
Dimensions56×34×25 cm
Airline fit25%
Price$150

Key differences between the United by Blue (R)evolution 25L Convertible Carryall and Deuter Transit 40

Both have: passport pocket, backpack straps, laptop sleeve, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 48 accept both. 133 accept only the United by Blue (R)evolution 25L Convertible Carryall, and 0 accept only the Deuter Transit 40.

Only the United by Blue (R)evolution 25L Convertible Carryall fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Serbia, Air Seychelles, Air Tahiti, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, American Eagle, ANA, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, 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, CommutAir, Croatia Air, Czech Airlines, Delta Airlines, Dragonair, easyJet, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Gulf Air, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Japan Airlines, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Peach, Porter Airlines, Qantas Airways, Qatar Airways, Ravn Alaska, Regional Express, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, VivaColombia, Volaris, Volotea, WestJet, Xiamen.

United by Blue (R)evolution 25L Convertible Carryall vs. Deuter Transit 40: which should you pack?

The Deuter Transit 40 carries 15L more than the United by Blue (R)evolution 25L Convertible Carryall (25L vs. 40L), and the two are closely matched on weight. For carry-on flexibility, the United by Blue (R)evolution 25L Convertible Carryall fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Deuter Transit 40; if you want to travel lighter, the Deuter Transit 40 is the better call.