Free Time in Trucking: What It Means and How It’s Calculated
Free time in trucking is the period specified in the rate confirmation during which a shipper or consignee is expected to load or unload a truck without incurring additional charges. Once free time expires, the carrier’s right to collect detention pay begins. The standard free time allowance is two hours, though it varies by contract and load type.
Free Time vs. Detention: How They Relate
Free time and detention pay are two sides of the same coin:
- Free time: The period the shipper can use without paying extra (usually 2 hours)
- Detention pay: Compensation that accrues every hour after free time expires
A truck that arrives at a scheduled appointment and is loaded/unloaded within two hours generates no detention pay. A truck held for four hours generates two hours of billable detention pay.
The size of the free time allowance directly determines how much detention becomes billable. A broker who offers 3 hours of free time on a load that typically takes 2.5 hours at that facility isn’t being generous — they’re structuring the free time to absorb most of the detention event.
Standard Free Time Allowances
| Contract Type | Typical Free Time |
|---|---|
| Standard brokered load | 2 hours |
| Large shipper / direct carrier contract | 1–3 hours (varies) |
| Grocery DC delivery | Sometimes 1 hour due to appointment precision |
| Tanker / specialized | Varies significantly |
| Expedited freight | Often 1 hour or less |
If your rate confirmation doesn’t specify free time, two hours is the widely understood industry default — though a broker may argue otherwise in a dispute. Specifying free time explicitly in the RC eliminates ambiguity.
When Does the Free Time Clock Start?
This is the most consequential question in detention calculation, and it’s the source of many disputes. Your rate confirmation will specify one of these clock-start conditions:
Clock Starts at Scheduled Appointment Time
The most carrier-favorable and most common approach. If the truck arrives on time or early, free time begins at the appointment. The shipper had two hours from the appointment time to complete loading/unloading.
Example: Appointment is 8:00 AM, truck arrives at 7:55 AM. Free time ends at 10:00 AM (appointment + 2 hours). Detention starts at 10:01 AM.
Clock Starts at Actual Arrival
Free time begins when the truck actually arrives, regardless of appointment time. If the truck arrives early, free time starts early — reducing potential detention if departure is within the 2-hour window from arrival.
Example: Appointment is 8:00 AM, truck arrives at 7:30 AM. Free time ends at 9:30 AM. Departure at 10:15 AM generates 45 minutes of billable detention.
Clock Starts at Door Assignment
Some rate confirmations — particularly those for large shippers with staging lots — specify that free time begins when the driver is “called to a door” or “assigned a door number,” not when the truck enters the facility.
This language is most significant for facilities where trucks regularly wait in a staging lot before receiving a dock door. Under this language, a truck that enters the geofence at 8:00 AM but doesn’t receive a door assignment until 10:30 AM hasn’t started the free time clock until 10:30 AM.
For detention purposes, this can reduce collectible detention significantly — or eliminate it entirely if the driver receives a door assignment within the free time window after it starts.
If you’re hauling to a facility known for long staging waits, look for this language in the RC. If it’s there, document the door assignment time in addition to the facility arrival time.
What Happens When a Shipper Exceeds Free Time
When free time expires and the truck is still at the facility, the carrier has a right to begin billing detention. The practical question is whether the carrier documents the event and actually invoices for it.
The ATRI 2024 Detention Study found that 39.3% of all truck stops result in detention. Yet fewer than 50% of detention invoices are paid. The gap is almost entirely documentation and billing process — not the legal right.
Your steps when free time is exceeded:
- Note the time free time expired (appointment time + allowance)
- Confirm GPS data is capturing the ongoing stop
- Alert dispatch that detention is accruing
- Invoice within the claim window after delivery
Negotiating Better Free Time Terms
Free time is negotiable before you accept the load. For loads to facilities with a history of slow loading:
- Request 2.5 or 3 hours of free time if you know the facility runs long
- Negotiate a higher detention rate to compensate for extended dwell risk
- Ask for explicit clock-start language (“free time begins at scheduled appointment”)
If a broker’s standard template offers 3 hours of free time on a lane where the facility typically takes 2 hours, that’s fine — you won’t collect detention on most loads, but you won’t be penalized either. If the template offers 1 hour on a facility that typically takes 3 hours, that’s a mismatch worth negotiating.
Related Articles
- What Is Detention Pay in Trucking?
- How to Calculate Detention Pay Owed
- How to Read a Rate Confirmation: A Carrier’s Guide
- Rate Confirmation Red Flags Carriers Should Watch For
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