---
url: "https://onebag.travel/compare/wm0zpf3pmc/bellroy-transit-backpack-plus/ynae3xywz6/alpha-one-niner-whitley-backpack/"
title: "Bellroy Transit Backpack Plus vs Alpha One-Niner Whitley Backpack"
description: "Bellroy Transit Backpack Plus 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/wm0zpf3pmc/bellroy-transit-backpack-plus/ynae3xywz6/alpha-one-niner-whitley-backpack/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Bellroy Transit Backpack Plus vs. Alpha One-Niner Whitley Backpack

# Bellroy Transit Backpack Plus vs. Alpha One-Niner Whitley Backpack

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

## [Bellroy Transit Backpack Plus](https://onebag.travel/carryon/wm0zpf3pmc/bellroy-transit-backpack-plus/)

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

![Front facing view of the Bellroy Transit Backpack Plus](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1618215652/carryons/Bellroy_Transit_Backpack_Plus_pcg43x.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>38 L</td></tr><tr><td>Weight</td><td>1.5 kg</td></tr><tr><td>Dimensions</td><td>55×38×24 cm</td></tr><tr><td>Airline fit</td><td>19%</td></tr><tr><td>Price</td><td>$320</td></tr></tbody></table>

## Feature by feature

| Bellroy Transit Backpack Plus | Feature | Alpha One-Niner Whitley Backpack |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | front |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside |
| 16in | Laptop | 16in |
| 4 | 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>Baida 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 Bellroy Transit Backpack Plus and Alpha One-Niner Whitley Backpack

-   **Passport pocket:** Top on the Bellroy Transit Backpack Plus; Front on the Alpha One-Niner Whitley Backpack.
-   **Main compartments:** 4 on the Bellroy Transit Backpack Plus; 3 on the Alpha One-Niner Whitley Backpack.

Both have: 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. 35 accept both. 0 accept only the Bellroy Transit Backpack Plus, and 141 accept only the Alpha One-Niner Whitley Backpack.

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

Aerolineas Argentinas, Air Asia, Air Baltic, Air Canada, Air China, Air Europa, Air France, Air India, Air Koryo, Air Macau, Air Malta, Air Mauritius, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti Nui, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Azul Linhas, 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, China Southern, CommutAir, Conviasa, Copa Airlines, Croatia Air, Cubana de Aviacion, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Great Lakes Airlines, Hainan Airlines, Hawaiian Airlines, Hong Kong Airlines, Icelandair, Indigo, InselAir, Iran Air, Iran Aseman Air, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Korean Air, Kulula, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Philippine Airlines, Porter Airlines, Qantas Airways, Qatar Airways, Regional Express, Republic Airways, Royal Air Morocco, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Saudi Arabian Airlines, Scoot, Shandong Airlines, Shenzhen Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Sky Airlines, Skywest, Inc., South African Airways, SpiceJet, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAAG Angola, TAM Airlines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Ural Airlines, Uzbekistan Air, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, Xiamen.

## Bellroy Transit Backpack Plus vs. Alpha One-Niner Whitley Backpack: which should you pack?

The **Bellroy Transit Backpack Plus** carries 18L more than the **Alpha One-Niner Whitley Backpack** (38L vs. 20L), while the **Alpha One-Niner Whitley Backpack** is the lighter pack at 1.2kg (vs. 1.5kg). For carry-on flexibility, the **Alpha One-Niner Whitley Backpack** fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Bellroy Transit Backpack Plus; if you want to travel lighter, the Alpha One-Niner Whitley Backpack is the better call.