Jack Sheldon

Jack's Flight Club

Jack's Flight Club: Von Hobby zu 1M+ Mitgliedern

$1.3M ARR

Current revenue · as of December 2024

Travelzoo Q4 2024 earnings

2 years

$100K ARR

Mundpropaganda

Growth Channel

Co-Gründer

Founder

Jack Sheldon

Co-Gründer•Non-technical•UK

Commitment

Full-time

Experience

First-time

Product

Jack's Flight Club

Email-Newsletter und App für britische Reisende, die preisgünstige Flugangebote und Fehlerflüge finden.

Type

SaaS

Industry

Reisen

Model

Abonnement

Marketing Strategy

How Jack acquired customers

Growth Channel

Mundpropaganda

Also Used

Communities

Tech Stack

Tools used to build Jack's Flight Club

MailchimpWordPressCustom deal findersStripe

The Full Story

TL;DR

Jack verwandelte sein persönliches Flug-Hacking-Hobby in den führenden UK Billigflugdienst.

Ich bin Jack Sheldon, ein lebenslanger preisgünstiger Flug-Hacker und geschwörener Urlaubs-Guru für meine Freunde. Ich sendete offiziell den ersten Jack's Flight Club Newsletter im September 2016 aus.

Die Hobby-Phase

Ich fand jahrelang erstaunliche Flugangebote – fing Fehlerflüge, Treibstoff-Überangebote und Preisfehlern ein, die Fluggesellschaften gelegentlich machen. Freunde fragten mich immer wieder, ob ich teilen würde, also startete ich eine einfache Email-Liste.

Das Geschäft aufbauen

Jack's Flight Club hilft Nutzern, preisgünstige Flugangebote zu finden. Wir bringen unseren Mitgliedern preisgünstige Flüge zu erstaunlichen Zielen auf der ganzen Welt und sparen durchschnittlich £402 pro gebuchtem Ticket.

Schnelles Wachstum

Innerhalb von 12 Monaten nach dem Start war ich auf der Schwelle, meine erste Million zu machen. Der Newsletter wuchs organisch durch Mundpropaganda – wenn du jemandem einen £300 Flug nach Japan sendest, der normalerweise £900 kostet, erzählen sie ihren Freunden.

Das Team

Ich gründete das Unternehmen zusammen mit Phil Wintermantle. Zusammen wuchsen wir Jack's Flight Club auf über 1 Million Mitglieder in UK, Europa und USA.

Medienberichterstattung

Wir wurden in der Telegraph, der Independent, der Sunday Times und vielen anderen globalen Publikationen vorgestellt. Diese Medienberichterstattung beschleunigte das Wachstum erheblich.

Start: September 2016
Mitglieder: 1M+
Durchschnittliche Ersparnisse pro Ticket: £402
Regionen: UK, Europa, USA
Vorgestellt: Telegraph, Independent, Sunday Times

Key Takeaways

Fachwissen in einer Nische kann ein wertvolles Produkt werden

Medienberichterstattung beschleunigt Wachstum – mache deine Geschichte newsworthy

Mundpropaganda funktioniert, wenn du Leuten erhebliche Summen sparst

Regionaler Fokus kann dir helfen, zu dominieren, bevor du global expandierst

Originally published onJack's Flight Club

Founder proof brief

A one-page proof brief turns Jack's Jack's Flight Club playbook into your next test.

See what it covers before you sign up: the pattern worth copying, the channel to test, and the risk to avoid when you adapt this story.

Pattern

$100K ARR

Channel

Mundpropaganda

Output

Action checklist

What a proof brief covers

A one-page brief that turns Jack's pattern into a testable plan
Channel bet: start from Mundpropaganda
A risk check before copying the Jack's Flight Club playbook

See what a proof brief covers

See what it covers first. Create an account only if you choose to unlock.

Inspired by Jack's journey? Generate a business idea in the Reisen space using AI and real founder data.

Milestone Journey

Jack achieved 3 milestones on the path to $100K ARR

Erster Kunde

1 month

October 2016

Avg: 1 month

+11 months to next milestone

$10K MRR

$10,000

1 year

September 2017

Avg: 1 year

+1 year to next milestone

$100K ARR

$1,000,000

2 years

September 2018

Avg: 2 years

2 years

Total journey time

Milestones achieved

Against every documented journey

Jack Sheldon reached $10K MRR in 12 months, faster than 48% of the 295 documented $10K journeys (median 12 months). The amber bar is this journey.

See the full distribution

Jack's Path to $100K ARRPremium

The journey, decisions, and context behind this milestone

How Jack actually did it

7/7 funnel stages sourced

Reconstructed from Jack's own published sources. Quoted claims are the founder's words, verified verbatim; anything marked as our analysis is exactly that.

Where the idea came from

Personal pain3y domain experience

Jack had spent three years personally hunting mistake fares and pricing glitches to visit more than 40 countries before turning the habit into a product. He began emailing the deals he found directly to his own friends, and framed the newsletter as a spin-off of that personal hobby rather than something built to answer a specific request.

“Over the last 3 years, I've been able to visit over 40 countries”

Jack Sheldon (u/jack_sheldon), first Reddit AMA on r/IAmA, "I am a UK cheap flight hacker, here to help you find cheap fares and learn some tricks! AMA!"

Validation

Built first, validated after

MvpValidated2700 signups

Jack shipped the actual free newsletter to his own contacts rather than running a separate landing-page or survey test first; organic signups and sharing over the following weeks served as the validation signal.

Eight weeks after starting the free email alert newsletter, it had grown past 2,700 subscribers purely through personal sharing, with no advertising.

“in that time it has grown to >2700 subscribers”

Jack Sheldon (u/jack_sheldon), first Reddit AMA on r/IAmA, "I am a UK cheap flight hacker, here to help you find cheap fares and learn some tricks! AMA!"

First test users

Personal network~2700 usersFree testers

Jack emailed his cheap-flight finds directly to his own friends and contacts. Within eight weeks that had grown by word of mouth to over 2,700 subscribers.

“8 weeks ago I started a free email alert newsletter sending out cheap flight deals to my mates”

Jack Sheldon (u/jack_sheldon), first Reddit AMA on r/IAmA, "I am a UK cheap flight hacker, here to help you find cheap fares and learn some tricks! AMA!"

First paying customer

Existing audienceFree to paid upgrade

The first paying customers came from converting Jack's existing free subscriber base once he introduced a freemium tier. Existing subscribers were offered a discount on the new paid option, and a reported 2,500 of roughly 165,000 subscribers upgraded to paid. This happened well after the free list had scaled into the tens of thousands, not in the newsletter's first weeks.

Per Courier, "How Jack's Flight Club became a money-making newsletter" (fetched via Wayback Machine, original page no longer live)

Acquisition channels, and whether they worked

Word of mouthLaunchWorked

Grew to nearly 3,000 subscribers in the first three months with no advertising, per Jack's own account and matching third-party reporting.

Jack credits the newsletter's early growth entirely to organic sharing rather than any paid promotion.

“No advertising - just word of mouth really so far. People tend to share a lot when they score a deal, which is nice!!”

Jack Sheldon (u/jack_sheldon), second Reddit AMA on r/IAmA, "I am some guy who's saved people £500,000 on airfare in the last 5 months. AMA!"

Communities · Reddit r/IAmA (self-hosted AMA)LaunchWorked

Jack posted an unpaid, self-hosted "Ask Me Anything" about UK flight hacking on r/IAmA, answered questions live for hours, and pointed to his newsletter throughout the thread.

“This post has taken me from just under 3000 subscribers to over 45,000 and counting.”

Jack Sheldon (u/jack_sheldon), first Reddit AMA on r/IAmA, "I am a UK cheap flight hacker, here to help you find cheap fares and learn some tricks! AMA!"

What didn't work

OpsScalingCost: both

Email on its own stopped working as the delivery channel once the list passed a million subscribers. A single send could take up to five hours to reach every inbox, while the flight deals themselves often expired within 12 to 24 hours, so a share of members were reading deals that were already gone.

Per Guardian Labs (Practical dreamers), “How to build your business app – lessons from Jack’s Flight Club” by Bonnie Christian, quoting Jack Sheldon throughout (fetched via Wayback Machine, original page removed)

Mass email delivery is too slow for a product whose value is time limited. The bigger the list got, the wider the gap between sending a deal and members actually seeing it.

What they did instead: Launched a Jack's Flight Club app in early 2018, built in React Native for both platforms, and moved time-critical alerts to push notifications that reach everyone in about 15 minutes

How it changed as they grew

At launch: 1 person (Jack Sheldon alone, per his own account across the newsletter's first seven months)

Bootstrapped · 2016-09

Pricing new tier: free-only newsletter → freemium: a paid annual tier (originally £35/year) for more frequent alerts, alongside the existing free tier

Jack considered a full paywall too aggressive and rejected affiliate-link monetization as inconsistent with the newsletter's purpose, settling on a freemium model instead.

Per Courier, "How Jack's Flight Club became a money-making newsletter" (fetched via Wayback Machine, original page no longer live)

Sources (2 in the founder's own words)

Jack Sheldon (u/jack_sheldon), second Reddit AMA on r/IAmA, "I am some guy who's saved people £500,000 on airfare in the last 5 months. AMA!" · founder-authored · 2017-04
Jack Sheldon (u/jack_sheldon), first Reddit AMA on r/IAmA, "I am a UK cheap flight hacker, here to help you find cheap fares and learn some tricks! AMA!" · founder-authored · 2016-11
Jack's Flight Club, Press page · third party
Wikipedia, "Jack's Flight Club" · third party
Courier, "How Jack's Flight Club became a money-making newsletter" (fetched via Wayback Machine, original page no longer live) · third party · 2018-07
Guardian Labs (Practical dreamers), “How to build your business app – lessons from Jack’s Flight Club” by Bonnie Christian, quoting Jack Sheldon throughout (fetched via Wayback Machine, original page removed) · third party · 2018-12

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Frequently asked questions

How much does Jack's Flight Club make?

Jack's Flight Club reports $1.3M ARR as of December 2024. 60% owned by Travelzoo (public). Q4 2024 revenue +19% YoY to $1.3M. 3.6M members. Source: Travelzoo Q4 2024 earnings.

What is Jack's Flight Club?

Email-Newsletter und App für britische Reisende, die preisgünstige Flugangebote und Fehlerflüge finden. It operates in Reisen.

How long did it take Jack's Flight Club to reach $100k arr?

Jack Sheldon took 2 years to reach $100k arr with Jack's Flight Club.

Was Jack Sheldon a solo founder?

No. Jack Sheldon built Jack's Flight Club with co-founders.

What marketing channel did Jack's Flight Club use to grow?

Jack's Flight Club grew primarily through Mundpropaganda.

What industry is Jack's Flight Club in?

Jack's Flight Club operates in Reisen.

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