First-Attempt Delivery Rate (FADR) is the single most powerful operating metric for a national parcel post. Every 1 percentage point of FADR compounds into lower cost-per-parcel, higher CX scores, and less parcel-yard congestion. The leading postal operators in Shipsy’s portfolio — a leading Western European parcel operator, a national post powering mail to 200+ countries, national posts across the Nordics and Eastern Europe — consistently drive FADR into the mid-90s by treating it as an engineering problem, not a driver-performance one.
The finding: FADR is decided before the truck leaves the depot
Most FADR improvement programs fix the wrong thing. They benchmark driver performance, introduce incentive schemes, and add reattempt SLAs. Those are downstream. The addresses that caused the failed attempt were already broken when the driver left the depot — if the address was low-confidence, the recipient was unreachable, or the access window was unknown.
Treating FADR as an upstream engineering problem — address intelligence, pre-dispatch verification, access-time prediction, micro-cluster routing — routinely shifts FADR by double-digit points. That’s the range a global big-and-bulky retailer hit with Shipsy (95%+ FADR) and that multiple national posts are approaching.
Why FADR plateaus for most national parcel posts
Four recurring reasons.
Address quality is degraded at the edge. Cross-border inbound and e-commerce growth pile up low-confidence addresses. Without pre-dispatch normalisation, drivers inherit these as unresolvable field problems.
Access windows are unknown or static. Delivery attempt at 10am to a working-age recipient almost always fails. Static delivery windows produce predictable first-attempt failures that a predictive access-time layer would avoid.
Reattempt logic is routed to the same driver, same time. A failed attempt re-queued to the same route next day simply repeats the failure. Dynamic re-routing to a time-window-matched second slot is rarely implemented.
Recipient awareness is low. Parcel recipients often don’t know delivery is inbound. Proactive pre-dispatch comms (via SMS, push, messaging) lift the “recipient present” rate significantly.
What Shipsy does to drive FADR for national parcel posts
Shipsy’s FADR stack for postals layers four mechanisms.
Address Intelligence pre-dispatch. All inbound parcel addresses are normalised, geocoded, and confidence-scored before sortation. Low-confidence addresses route through a verification workflow before a delivery attempt is ever booked. See the related postal address intelligence deep-dive.
Predictive access-time windows. Shipsy uses historical successful-delivery time patterns per delivery point, per locality, and per recipient segment to propose the highest-probability access window. The route plan is built around these windows, not around depot-convenience sequencing.
Proactive recipient engagement via Clara. Clara — Shipsy’s CX agent — sends pre-dispatch notifications, captures delivery preferences, and offers safe-drop, neighbour-drop, or pickup-point alternatives. Recipients who engage with Clara convert to successful-attempt outcomes at significantly higher rates.
Dynamic re-routing on failure. A failed attempt automatically triggers Astra — Shipsy’s planning agent — to evaluate next-best action. Options include: re-route to a different time window, divert to a parcel locker, divert to neighbour-drop if authorised, or schedule a specific recipient-agreed slot.
FADR mechanism map
| Driver of failed attempt | Upstream mechanism | Impact |
|---|---|---|
| Bad or ambiguous address | Address Intelligence + verification | Addresses fixed pre-sortation |
| Recipient not home | Predictive access window + Clara pre-notice | Attempt made at higher-probability window |
| No access info (gated community, unit number) | Clara pre-dispatch capture | Driver has access context at delivery |
| Parcel too large for doorstep | Pickup-point / locker offer via Clara | Failure avoided entirely |
| Route sequence optimised for vehicle, not recipient | Micro-cluster routing with access-time weight | Route built around recipient availability |
What postal ops leaders should do in the next 90 days
Decompose your FADR failures. Most postal operators have a single FADR headline but not the categorical breakdown. Classify failures as address, access, absence, refusal, or oversized. The mix tells you which mechanism to deploy first.
Next, measure your pre-dispatch engagement rate. If fewer than 30% of recipients are receiving and acknowledging a pre-dispatch notification, you have low-hanging fruit in Clara-style proactive communications.
Finally, audit your re-attempt logic. If failed first attempts re-queue to the same route the next day, you are paying for a second attempt with the same failure probability. Dynamic re-routing turns that second attempt into a different, higher-probability outcome.
For how this connects to address quality, see postal address intelligence. For the vertical overview, see how Shipsy fits postal operators. For the underlying product, see Shipsy Last Mile Delivery.