Osprey Aoede Airspeed Backpack vs. Day Owl Backpack Pro

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

Osprey Aoede Airspeed Backpack

Capacity21 L
Weight1.1 kg
Dimensions47×29×23 cm
Airline fit73%
Price$140

Feature by feature

Osprey Aoede Airspeed BackpackFeatureDay Owl Backpack Pro
Storage
N Compression N
None Expanded Capacity None
0 Opening 1
front Passport top, back
Y Passthrough Y
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap N
Inside
16in Laptop 16in
5 Main Compartments 6
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
840D ballistic polyester, DWR treatmentwaxed canvas

Day Owl Backpack Pro

Front facing view of the Day Owl Backpack Pro
Capacity21 L
Weight1.1 kg
Dimensions43×31×13 cm
Airline fit95%
Price$155

Key differences between the Osprey Aoede Airspeed Backpack and Day Owl Backpack Pro

Both have: luggage passthrough, backpack straps, laptop sleeve, built-in organizer, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 138 accept both. 0 accept only the Osprey Aoede Airspeed Backpack, and 41 accept only the Day Owl Backpack Pro.

Only the Day Owl Backpack Pro fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Air Tahiti, American Eagle, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, easyJet, Emirates Airlines, Enter Air, flybe, Gulf Air, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, Ravn Alaska, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

Osprey Aoede Airspeed Backpack vs. Day Owl Backpack Pro: which should you pack?

The Osprey Aoede Airspeed Backpack carries the same capacity as the Day Owl Backpack Pro (21L vs. 21L), while the Osprey Aoede Airspeed Backpack is the lighter pack at 1.1kg (vs. 1.1kg). For carry-on flexibility, the Day Owl Backpack Pro fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Aoede Airspeed Backpack; if you want to travel lighter, the Osprey Aoede Airspeed Backpack is the better call.