If you go to AskGamblers, Casino Guru, or any of the top-five affiliate aggregators and read the payout-speed column for a casino, you are not reading a measurement. You are reading whatever the casino put in its press kit.
I know because I have run the numbers myself on every casino on my shortlist and compared them to the published figures from the major affiliate sites. The gap is usually 1.5× to 4×. 'Instant' withdrawals turn into 18-30 hour withdrawals. '24h average' becomes 40h average. 'Same day' becomes 'same business day, which can mean Monday if you withdrew Friday evening'.
Why the gap exists
There are three forces creating it:
Affiliate sites do not actually deposit and withdraw.
Of the top 20 affiliate review sites I can identify by traffic, exactly three have any verifiable evidence of running deposit-and-withdrawal tests on the casinos they review. The other 17 source their payout-speed numbers from operator press kits, partner-program affiliate dashboards, or — worst case — from each other. There is no measurement in the loop.
The KYC window is excluded from the headline number.
When a casino advertises 'instant withdrawals' they are talking about the time from withdrawal-approved to funds-leaving-the-cashier. That excludes the KYC review window (24-72 hours for a first-time withdrawal on most operators), the optional cashier delay window (some operators hold withdrawals for 24-48h to encourage you to cancel and keep playing), and the payment-method window (Skrill is near-instant, bank transfer is 1-3 business days).
The honest measurement: deposit on day X, win, request withdrawal on day Y, wait until the money is actually spendable in your destination account. Most affiliate sites don't measure the X-to-spendable gap. They measure the cashier's withdrawal-approval time, which has nothing to do with what you experience.
The first withdrawal is the slowest one.
Casinos optimize for retention. The first time you cash out, KYC happens, document review happens, sometimes a customer-success rep messages you offering a free-spin gift to stay. Average that across all withdrawals and the 'casino payout speed' looks fine. But if you're a new player making your first withdrawal, you'll experience the worst case.
How I measure (and how to verify yourself)
Three withdrawals, three amounts, three different days of the week. I log:
- Timestamp of withdrawal request (in the cashier)
- Timestamp of withdrawal approval (in the cashier or email)
- Timestamp the funds appear and are spendable in the destination account
- Any document re-requests or stall events in between
Published payout time = mean of (third timestamp − first timestamp) across the three tests. KYC delays are included. Document re-requests are included. Weekend delays are not pro-rated out — if you tested over a weekend, the weekend counts.
If you want to verify a casino yourself: deposit the minimum, play a 20-minute session, win or lose, request withdrawal of the minimum. Time it. That number is the truth for new-player payout speed. The published number is usually 2-3× faster than what you'll experience.
The shortlist
On my current 12-casino shortlist, the verified payout times range from ~30 minutes (Bitcoin Den, crypto-only) to 72 hours (Lucky Clover, which I include despite the slow speed because of the bonus terms). The 24h-or-faster operators are Empire Spins, Cashback King, and Lucky Chest.
If you see 'instant' or 'within minutes' on any other affiliate site for these casinos, treat it as marketing copy.