---
url: "https://onebag.travel/compare/tfrpjpuvuw/piorama-delta/ynae3xywz6/alpha-one-niner-whitley-backpack/"
title: "Piorama Delta vs Alpha One-Niner Whitley Backpack"
description: "Piorama Delta vs Alpha One-Niner Whitley Backpack: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/tfrpjpuvuw/piorama-delta/ynae3xywz6/alpha-one-niner-whitley-backpack/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Piorama Delta vs. Alpha One-Niner Whitley Backpack

# Piorama Delta vs. Alpha One-Niner Whitley Backpack

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

## [Piorama Delta](https://onebag.travel/carryon/tfrpjpuvuw/piorama-delta/)

by [Piorama](https://onebag.travel/carryons/?brands=Piorama)

![Front facing view of the Piorama Delta](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990424/carryons/piorama-delta-tfrpjpuvuw.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>16 L</td></tr><tr><td>Weight</td><td>1.2 kg</td></tr><tr><td>Dimensions</td><td>42×32×12 cm</td></tr><tr><td>Airline fit</td><td>95%</td></tr><tr><td>Price</td><td>$195</td></tr></tbody></table>

## Feature by feature

| Piorama Delta | Feature | Alpha One-Niner Whitley Backpack |
| --- | --- | --- |
| Storage |
| 2 | Compression | N |
| 42L | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | front |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside |
| 16in | Laptop | 16in |
| 3 | Main Compartments | 3 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>900D Nylon</td><td>Available in:X-Pac X42, 500D, 1050D Ballistic Nylon</td></tr></tbody></table>

## [Alpha One-Niner Whitley Backpack](https://onebag.travel/carryon/ynae3xywz6/alpha-one-niner-whitley-backpack/)

by [Alpha One-Niner](https://onebag.travel/carryons/?brands=Alpha One-Niner)

![Front facing view of the Alpha One-Niner Whitley Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990332/carryons/alpha-one-niner-whitley-backpack-ynae3xywz6.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>20 L</td></tr><tr><td>Weight</td><td>1.2 kg</td></tr><tr><td>Dimensions</td><td>47×28×15 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$200</td></tr></tbody></table>

## Key differences between the Piorama Delta and Alpha One-Niner Whitley Backpack

-   **Compression straps:** 2 on the Piorama Delta; No on the Alpha One-Niner Whitley Backpack.

Both have: passport pocket, backpack straps, sternum strap, 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. 174 accept both. 5 accept only the Piorama Delta, and 2 accept only the Alpha One-Niner Whitley Backpack.

### Only the Piorama Delta fits

Air Tahiti, American Eagle, easyJet, Gulf Air, Ravn Alaska.

### Only the Alpha One-Niner Whitley Backpack fits

Air Niugini, Great Lakes Airlines.

## Piorama Delta vs. Alpha One-Niner Whitley Backpack: which should you pack?

The **Alpha One-Niner Whitley Backpack** carries 4L more than the **Piorama Delta** (16L vs. 20L), while the **Piorama Delta** is the lighter pack at 1.2kg (vs. 1.2kg). For carry-on flexibility, the **Piorama Delta** fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Alpha One-Niner Whitley Backpack; if you want to travel lighter, the Piorama Delta is the better call.