UPS dropped 2M packages/day from Amazon's network by June. Here's the math on whether that volume is profit or a trap for your fleet.
UPS is removing 2 million Amazon packages per day from its network by end of June, per Supply Chain Dive. Amazon is pushing that capacity into DSPs and USPS. More stops per route are coming.
Ran the math on where it helps and where it doesn't.
What's Actually Happening
UPS had ~11.8% of its revenue tied to Amazon before the drawdown started. CEO Carol Tomé's line: "Amazon is our largest customer, but not our most profitable." So they're walking away from 50%+ of last-mile Amazon volume — exactly the routes DSPs run — by mid-2026, per FreightWaves.
Amazon's independent carrier volume has grown 22.6% annually. That rate is accelerating as UPS backs out. Your station is getting more packages. The question is what those packages actually cost you.
The Three Places Where Extra Stops Cost You
1. Overtime
DOL tightened FLSA enforcement on transportation workers in 2025. If your drivers push past 40hrs/week, you're paying 1.5x — no exemptions left to lean on. A driver at $20/hr costs $30/hr in overtime.
10 drivers × 5 overtime hours/week = $1,500/week in unbudgeted labor. That's $78,000/year if it runs all year.
2. The 60K mileage cliff
More stops = more miles = earlier maintenance inflection.
| Mileage band | Maintenance/mo | |---|---| | 0–60K | $95 | | 60–80K | $380 | | 80–100K | $520 |
Adding 10% to annual mileage per van pushes you into the $380 band 6 months earlier than planned. At 10 vans, that's $17,100 in maintenance you didn't budget for.
3. Spot rental math
If you can't absorb the volume with owned vans, you rent.
- Contract rental: $1,450/mo
- Spot rental: $1,740/mo (+$290 premium for unplanned flexibility)
Run 3 spot rentals for a quarter = $2,610 over what a contract would've cost. Q4 volume runs at 1.32x the annual baseline — that premium compounds when it matters most.
The Number That Actually Tells You Whether the Volume Is Worth It
Cost per stop. Here's the breakdown from Pexara fleet data:
| Van age | Cost/stop | At $12 rate | Margin | |---|---|---|---| | Sub-60K | $3.64 | $12.00 | $8.36 | | 60K–100K | $3.71 | $12.00 | $8.29 |
Now add overtime erosion and accelerated maintenance:
| Scenario | Effective cost/stop | Margin at $12 | |---|---|---| | Clean (sub-60K, no OT) | $3.64 | $8.36 | | +10% OT labor pressure | ~$3.97 | $8.03 | | +60K maintenance cliff | $4.07 | $7.93 | | Both combined | ~$4.40 | $7.60 |
That $0.76 margin erosion at 200 stops/day × 250 operating days × 10 vans = $380,000/year left on the table compared to the modeled baseline. Not from rate compression. From accepting volume without modeling what it costs.
What to Actually Do With This
Before accepting expanded routes this year:
- Know your current cost-per-stop (owned fleet, current mileage band)
- Model it at 180, 220, and 250 stops — where does overtime kick in?
- If surge rental is involved, contract rate vs spot rate makes a real difference
- Q4 volume expansion should be planned, not reactive
The operators who run this math before saying yes to routes hold more leverage than the ones who figure out the cost after the routes are dispatched.
TL;DR
60K miles is where maintenance starts beating the rental alternative. Adding volume that pushes your fleet into that band early — or triggers overtime — can turn a volume windfall into a margin squeeze. Most operators take the routes first and find out what they cost at the next maintenance invoice.
Full dataset at pexara.ai — link in comments
First comment: Full fleet benchmark data including cost-per-stop ranges, maintenance bands, and rental vs ownership math at every mileage point: pexara.ai