Amazon Flex vs Relay UK in 2026 — the real driver-reported maths every UK courier should run before signing up

If you've done a bit of Amazon Flex in the UK and you've started seeing Relay UK come up in driver subs, on YouTube and in the algorithm's "you might also like" suggestions, you're looking at the closest thing to a real Flex competitor that has appeared in the last two years. Whether it's worth signing up depends entirely on a set of details that nobody publishing about Relay has bothered to put in one place — the trial-period cliff, the insurance deduction, the way route time estimates work, and the postcode coverage problem.

This piece is the comparison written from the perspective of a UK Flex driver actually trying to decide if Relay is the better gig, the right top-up gig, or a waste of time. The numbers and platform notes come from r/AmazonFlexUK threads where drivers have shared their actual Relay payslips, route screenshots, and hour-by-hour experiences — not from Relay's marketing materials, which (as we'll see) are optimistic to the point of being useless.

Important: Relay UK is not Amazon Relay

This trips up a lot of people googling. Amazon Relay is Amazon's HGV middle-mile freight platform — for Class 2 lorry drivers doing trunk haulage between Amazon fulfilment centres, requiring an HGV licence and a tractor unit. Different operation, different worker pool, different entry costs entirely.

Relay UK (the relay.delivery app, sometimes called Relay Couriers UK) is a last-mile parcel delivery company you can do with a normal car licence and standard car insurance plus a Hire & Reward top-up. It mostly subcontracts overflow parcels from Evri and a handful of retailer contracts. That's what UK Flex drivers are actually comparing against, and what this post is about.

What Relay UK actually is

Last-mile parcel courier. Standard car licence, standard car insurance + H&R top-up. Pickup points are off-licences and small local shops — not warehouses. Geographic coverage is not nationwide; the pickup-point network grows month by month but plenty of UK postcodes still have nothing. The app is called Relay Copilot (driver-side) — the consumer-facing Relay app is something different.

What a Flex driver will notice immediately

Three things stand out the first day:

Relay shows you the route before you accept. Drop count, pickup point, distance — all visible. This is a real UX advantage over Flex's blind-accept model where you see the depot but not the drop zone (covered in the block-evaluation maths post).
Two photos per drop, not one. Handover photo (or doorstep photo if no one home) plus a house-number photo. Drivers consistently report this adds 15–30 seconds per drop, which becomes a chunk of time across 40+ stops.
Routes systematically overrun the app's time estimate. This is the single most consistent complaint across every r/AmazonFlexUK Relay thread. Multiple drivers report finishing routes 1–2 hours past the estimate, every time, regardless of experience.

Plus two structural details that compress pay:

£4 per shift is deducted automatically for insurance. Whatever the headline £ figure says, subtract £4. This is Relay's platform-side cover for the work; you still need your underlying car policy and an H&R top-up (see the insurance post).
22:00 doorstep cutoff. You can't knock after 22:00 — anything still undelivered at that point becomes a forced return.

The trial-period cliff — the single most important thing to know

Across every Reddit thread we've read, the same pattern appears: Relay pays materially better for the first 14 days, then rates drop. This mirrors Flex's "new driver priority offers" early-period bias, but the Relay cliff is sharper because the platform is smaller and roster age matters more.

The practical implication: don't quit Flex or even reduce your Flex hours based on what Relay pays you in the first fortnight. The £100/3hr surge offers that appear early are not the steady state. Drivers who've completed a full month report the post-trial rate settling around £14/hr face value at best, often lower depending on the route.

Real driver-reported numbers (2025-2026)

Scenario	Reported figure	Net £/hr after deductions
Marketing claim	£100+ per 3hr shift	Theoretical, drivers report it almost never available
Typical post-trial face rate	£14/hr	~£11–12/hr after the £4 insurance over a 3hr block
Routine 2.5–3.5hr shift	£32–44 gross	~£10–13/hr nominal, drops further on route overrun
Documented bad route	£40 for 58 stops	~£8/hr by the time it actually finished
Best documented sustainable surge	£74 for 46 stops (evening surge)	£16–18/hr if you finish on time, dropping on overrun

The £/hr maths — Flex vs Relay head to head

A £15/hr Flex block lands around £11/hr real net once you fold in fuel, depreciation and the unpaid drive back. Same maths applied to Relay gives roughly £8–10/hr real net at the £14/hr face rate, because the £4/shift insurance deduction is a fixed cost regardless of block length and the systematic route overrun stretches your unpaid time further.

The crossover only happens in a narrow case: when Relay surge fires AND you're already in the pickup area. Outside that, Flex's £/hr edge holds.

When Relay actually wins

Same-day evening surge bookings. Drivers report £60+ per 2-hour surge windows around 7–8pm, especially in bad weather. These don't appear in pre-booking — you have to check the app same-day from about 6pm.
You're already in the pickup area from a finishing Flex block. If your last Flex drop is 5 minutes from a Relay pickup point and there's an active surge, the marginal £/hr is positive because the unpaid drive to depot is already absorbed.
Your postcode has poor Flex availability. If Flex blocks routinely run out before you can grab them, Relay's "see the route before accepting" model lets you book guaranteed work — even at lower rates, it's better than nothing.
You want to top-up past Flex's 40-hour weekly cap. Relay isn't subject to that cap (different platform), so for drivers consistently hitting the Flex ceiling it's a way to fit more work in the same week.

When Relay loses badly

Pre-booking more than 24 hours ahead. Multiple drivers report pre-booked routes paying significantly less per stop than same-day equivalents. The pricing favours scarcity bookings.
Long routes (40+ stops). The time estimates on big routes are reliably 1–2 hours short, which compresses effective £/hr. If you must take a long one, factor in the overrun.
Rural areas. Relay's pickup-point network is much sparser than Amazon's depot network — fine in dense cities, useless across many parts of the UK.
Using week 1 numbers as the rate. The 14-day trial is genuinely misleading; you'll be disappointed in week 3 if your maths was based on week 1.

The cancel trap

The single most-warned-about thing in driver threads: if you pre-book a route then cancel or change the time, Relay marks it as a no-show. Two no-shows triggers a suspension. The platform is materially stricter than Flex's forfeit-before-start tolerance — treat a Relay pre-booking commitment like a Flex no-show penalty risk, not a Flex forfeit. If you're unsure you can do the time, don't pre-book.

The combined Flex + Relay stack maths

The interesting question for most UK drivers isn't really "Flex or Relay" — it's "how do I stack them without diluting my £/hr?"

A realistic max-£/week stack for a covered postcode:

Flex morning blocks (early AM is where surge most consistently fires)
Relay same-day evening surge only when you finish a Flex block within ~15 minutes of a Relay pickup point
Add Uber Eats or Deliveroo to mop up dead time between blocks for sub-£/hr but instant work

The crucial caveat: your underlying car insurance + H&R top-up has to explicitly cover all the gigs you stack. Drivers commonly assume their Inshur or Zego top-up covers "any delivery work" but it's named per-platform on most policies. Confirm in writing before stacking — a claim against the wrong platform is the same as no insurance (see the insurance post).

Tax-wise, all three are sole-trader self-employment income from the same trade (parcel delivery), so they go on one self-assessment return — you don't need separate accounting per platform, just per-platform earnings totals.

Things Relay doesn't have that Flex does

One thing that doesn't show up in the per-hour face rate: Flex has three different pay top-up mechanisms that Relay just doesn't have — the automatic mileage adjustment, the automatic block-time-overrun top-up, and the manual Overtime Payment claim. These add up to material money over a year of Flex driving (£200–300 for a regular driver), while Relay's equivalent of "the route ran over" is "you don't get paid for that time" — covered in the pay top-ups post.

If you ignore the top-ups, you're under-counting Flex's true earnings. Many drivers do.

The signup decision in one sentence

If you live in a covered postcode and have time outside Flex's weekly cap, sign up for Relay UK but treat it as evening surge top-up only, never pre-book more than a day out, ignore the first 14 days of pay as marketing data, and recalibrate based on the post-trial steady state. If you don't live in a covered postcode, this isn't a real option for you regardless of what the YouTube reviews say.

Sources

Driver-reported numbers and provider notes drawn from r/AmazonFlexUK threads where UK drivers have shared their actual Relay payslips and experiences. The most substantive of these: the 2025-12 "RelayUK is this the new competition for flex" thread (14 driver comments, including the £14/hr face rate and £4/shift insurance deduction), the 2025-11 "This makes me appreciate Amazon flex even more" thread (15 comments including the £40/58-stop documented worst case), the 2025-10 "Anyone do relay courier here?" thread (15 comments including pickup-point and app review detail), and the 2025-12 "Relay are the absolute last in line in the courier pecking order" thread (the structural courier-pecking-order analysis). The 2026-06-14 Mr Khan ft Luke Delivers YouTube video "Is Relay worth it?" surfaced the recent UK signal that the Relay-vs-Flex topic remained live going into mid-2026. Where individual numbers came from a single driver report, we've described the range to reflect that postcode, time of day, and trial-vs-steady-state status all move every figure.

Disclaimer

Relay UK is a trademark of Relay Delivery Ltd. Amazon Flex is a trademark of Amazon.com, Inc. Grabber is not affiliated with, endorsed by, or built by either company. The numbers and provider acceptance claims in this post are based on UK driver community reports and were correct to the best of our knowledge at the time of publication. Pay rates, coverage areas, and policy details can change without notice. Verify against your own quotes, your own catchment, and the current Relay Copilot app before making any signup or income decision.