Mode Cost Comparator
Compare standard and expedited freight cost once the cost of arriving late is priced in, not just the carrier rate.
Sensitivity to late delivery cost
| Scenario | Standard total | Expedited total | Strategy |
|---|---|---|---|
| Late cost -20% | $840 | $1,350 | Standard |
| Late cost -10% | $870 | $1,350 | Standard |
| Base case | $900 | $1,350 | Standard |
| Late cost +10% | $930 | $1,350 | Standard |
| Late cost +20% | $960 | $1,350 | Standard |
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Based on your results, these related decisions are available.
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How this works
The cheaper freight rate is not always the cheaper shipment. Standard service usually costs less per hundredweight, but if its transit time misses the required delivery window, the gap has to be covered somehow: a rush fee downstream, a stockout, or a missed customer commitment. This engine prices that lateness explicitly, at a cost per day you supply, and adds it to each mode's freight cost before comparing them, so the verdict reflects total cost rather than just the quoted rate.
When standard service comfortably meets the delivery window, its lower rate wins outright. As the window tightens, standard's freight-rate advantage gets eaten by lateness cost until expedited becomes cheaper overall, even though its rate per hundredweight never changed.
Assumptions
- Transit days for each mode are point estimates, not distributions
- Lateness cost is linear in days late, with no separate penalty tier for being very late
- Only two named modes are compared: standard and expedited
Limitations
- Does not model carrier reliability variance or on-time percentage
- Does not model partial-lateness service-level curves
- Does not compare more than two modes at once
Sources
Mode cost structure follows Coyle, Novack, Gibson, and Bardi, Transportation: A Supply Chain Perspective (8th edition), the same source as LTL vs FTL Decision. The risk-adjusted total-cost framing follows the same pattern used in Rush Order Acceptance.
Worked example
A 3,000-pound shipment costs $600 standard (5-day transit) or $1,350 expedited (2-day transit). With a 6-day delivery window, standard arrives on time and its $600 total wins outright. Tighten the window to 2 days and standard is now 3 days late; at $500 per day late, that adds $1,500 to standard's cost, pushing its total to $2,100, above expedited's $1,350. The rate never changed, only the window did, which is why the verdict flips.
Common use cases
- Deciding mode for a shipment with a hard customer delivery date
- Setting an internal rule of thumb for when a tight window justifies expedited freight
- Quantifying how much a rush-order commitment actually costs once freight is included
- Checking whether a carrier's expedited upcharge is worth it for a specific shipment