Millican Smith 15L vs. Ortlieb Commuter Daypack Urban Line
Two carry-on travel backpacks, compared spec for spec.
Millican Smith 15L
| Capacity | 15 L |
| Weight | 0.8 kg |
| Dimensions | 45×28×10 cm |
| Airline fit | 96% |
| Price | $115 |
Feature by feature
| Millican Smith 15L | Feature | Ortlieb Commuter Daypack Urban Line |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 2 | Opening | 2 |
| side | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside | ||
| 13in | Laptop | 15in |
| 3 | Main Compartments | 1 |
| N | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| Weatherproof Bionic Canvas | PS55C |
Ortlieb Commuter Daypack Urban Line
| Capacity | 21 L |
| Weight | 0.74 kg |
| Dimensions | 50×30×15.5 cm |
| Airline fit | 92% |
| Price | $200 |
Key differences between the Millican Smith 15L and Ortlieb Commuter Daypack Urban Line
- Passport pocket: Side on the Millican Smith 15L; No on the Ortlieb Commuter Daypack Urban Line.
- Laptop sleeve: 13in on the Millican Smith 15L; 15in on the Ortlieb Commuter Daypack Urban Line.
- Main compartments: 3 on the Millican Smith 15L; 1 on the Ortlieb Commuter Daypack Urban Line.
- Built-in organizer: No on the Millican Smith 15L; Yes on the Ortlieb Commuter Daypack Urban Line.
Both have: backpack straps, hip belt, sternum strap, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 173 accept both. 8 accept only the Millican Smith 15L, and 0 accept only the Ortlieb Commuter Daypack Urban Line.
Only the Millican Smith 15L fits
Air Tahiti, American Eagle, easyJet, Great Lakes Airlines, Gulf Air, Ravn Alaska, Regional Express, Virgin Australia.
Millican Smith 15L vs. Ortlieb Commuter Daypack Urban Line: which should you pack?
The Ortlieb Commuter Daypack Urban Line carries 6L more than the Millican Smith 15L (15L vs. 21L), while the Ortlieb Commuter Daypack Urban Line is the lighter pack at 0.74kg (vs. 0.8kg). For carry-on flexibility, the Millican Smith 15L fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Ortlieb Commuter Daypack Urban Line; if you want to travel lighter, the Ortlieb Commuter Daypack Urban Line is the better call.