Aer Flight Pack 2 vs. Day Owl Backpack Pro
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| Aer Flight Pack 2 | Feature | Day Owl Backpack Pro |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | top, back |
| Y | Passthrough | Y |
| Carry | ||
| hideable | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | N |
| Inside | ||
| 16in | Laptop | 16in |
| 4 | Main Compartments | 6 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |
| Material | |
| 1680D Cordura ballistic nylon | waxed canvas |
Day Owl Backpack Pro
| Capacity | 21 L |
| Weight | 1.1 kg |
| Dimensions | 43×31×13 cm |
| Airline fit | 95% |
| Price | $155 |
Key differences between the Aer Flight Pack 2 and Day Owl Backpack Pro
- Passport pocket: Top on the Aer Flight Pack 2; Top, back on the Day Owl Backpack Pro.
- Backpack straps: Hideable on the Aer Flight Pack 2; Yes on the Day Owl Backpack Pro.
- Main compartments: 4 on the Aer Flight Pack 2; 6 on the Day Owl Backpack Pro.
Both have: luggage passthrough, laptop sleeve, built-in organizer, 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. 177 accept both. 0 accept only the Aer Flight Pack 2, and 2 accept only the Day Owl Backpack Pro.
Only the Day Owl Backpack Pro fits
Air Tahiti, Gulf Air.
Aer Flight Pack 2 vs. Day Owl Backpack Pro: which should you pack?
The Aer Flight Pack 2 carries the same capacity as the Day Owl Backpack Pro (21L vs. 21L), while the Day Owl Backpack Pro is the lighter pack at 1.1kg (vs. 1.3kg). 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 Aer Flight Pack 2; if you want to travel lighter, the Day Owl Backpack Pro is the better call.