Hours of Service for Owner-Operators: Planning Loads Around Your Clock

Hours of service rules decide how many loads you can run in a week as much as rates do. A good load that needs 12 hours of driving tomorrow doesn't fit an 11-hour limit, and a pickup that eats four hours at a dock can wreck the rest of your day.

Here are the federal rules for property-carrying drivers, explained in terms of planning loads, not just staying legal.

The rules are in 49 CFR Part 395. They apply to commercial motor vehicles in interstate commerce, generally trucks over 10,000 lbs. Some states have different rules for intrastate driving.

The core rules, in one table

The 14-hour window is the real limit

Most owner-operators run out of window before they run out of driving hours. The 14 hours start when you begin any work, including pre-trip inspection, and they don't stop for a long wait at a shipper.

Here's how a day can go wrong:

• On duty at 6 AM, pre-trip done by 6:20.
• Arrive at the shipper at 8 AM for a live load. Loaded and rolling at 1 PM.
• The window closes at 8 PM. That leaves 7 hours of driving, not 11, no matter how far the delivery is.

That's why detention matters so much. A four-hour wait doesn't just cost time. It can cost you a whole day of driving and the next load. Document it and get paid for it: here's how to collect detention.

The 70-hour cycle and the 34-hour restart

Most owner-operators work on the 70-hour, 8-day schedule. Every on-duty hour counts, not just driving: loading, fueling, inspections and paperwork at the dock all add up. At the start of each day, the hours from 8 days ago drop off.

A 34-hour restart resets the clock to zero. Many owner-operators plan the restart at home on the weekend, which is one more reason to plan the week around where you need to end up.

Sleeper berth splits

If your truck has a sleeper berth, you can split the 10-hour off-duty period into two parts instead of taking it all at once:

• One period of at least 7 hours in the sleeper berth, and
• Another of at least 2 hours, off duty or in the sleeper, for a total of at least 10.

When you pair them correctly, neither period counts against your 14-hour window. Splits are useful for waiting out a long dock delay, avoiding rush hour or arriving for a morning appointment rested. The math is easy to get wrong, so check how your ELD handles split calculations before relying on it.

Exceptions worth knowing

• Adverse driving conditions. If unexpected weather or traffic conditions slow you down, you can extend the 11-hour driving limit and the 14-hour window by up to 2 hours.
• Short-haul exception. If you stay within 150 air miles of your normal work reporting location and return there within 14 hours, you can skip the logbook and the 30-minute break, using time records instead.
• Personal conveyance. Driving off duty for personal reasons, such as from a shipper to the nearest safe parking, can be logged as personal conveyance if it isn't moving the load forward. Know FMCSA's guidance before you use it.
• Yard moves. Moving a truck within a yard or facility is on-duty time, not driving time, when logged correctly.

Planning loads around your hours

This is where hours of service and dispatching meet. Before booking a load, check:

1. Hours available today and tomorrow, including what's left in your 70-hour cycle.
2. Realistic transit time: distance at a sensible average speed, plus fuel, breaks and the 30-minute break.
3. Dock time risk. Live loads and busy receivers eat your 14-hour window. Drop and hook doesn't.
4. The appointment times. Can you arrive after a full 10 hours off, or will you have to split?
5. Where the load leaves you, and whether you'll have hours to reach the next pickup. Here's how to plan reloads.

Share your available hours with your dispatcher every morning, especially after a long dock day or a split. It takes a minute and prevents a lot of bad bookings. To test a load against your clock yourself, the hours of service trip planner works out a legal arrival time.

A load that only works if nothing goes wrong is a load that makes you choose between being late and breaking the rules. Turn it down, or negotiate a better appointment.

What might change

FMCSA is testing more flexible options in two pilot programs: a split duty period that would let drivers pause the 14-hour window for up to 3 hours, and more sleeper berth split options like 6/4 and 5/5.

In August 2026, FMCSA said it had finished pre-tests and planned to expand both pilots in 2027 (FreightWaves). The pilots don't change the rules for anyone not enrolled. Until a final rule says otherwise, the rules above apply.

Hours of service records are also part of your compliance file and the new entrant safety audit. Keep logs and supporting documents for six months. Our compliance calendar lists the rest.

When you dispatch with us, your dispatcher plans loads around your available hours, checks appointment times against realistic transit, and avoids booking you into days that only work if every dock runs on time. See how our owner-operator dispatch works.