Best Time to Drive from Brea to Fontana

Right now (7:04 pm PDT): about 44 minutes via I-10 East and SR-57 North, usually 43 at this time.

Only 37% of this drive is measured by working traffic sensors right now. The rest is estimated from nearby sensors, typical speeds and street traffic, so times can be off. Why so few sensors work.

Typical drive time by departure time

Minutes from Brea to Fontana by day and time you leave (local time)
Leave	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	35	37	40	40	42	43	43	43	44	44	48	51	50	46	43	41	36
Tue	35	38	40	41	42	41	43	43	43	43	50	48	50	49	43	41	37
Wed	36	39	41	42	42	44	45	44	43	43	47	49	50	45	39	39	36
Thu	36	38	40	41	41	42	42	42	43	44	49	49	51	46	40	39	36
Fri	36	38	40	40	42	43	43	44	45	48	51	54	51	49	43	40	37
Sat	36	37	37	37	37	38	39	39	39	39	41	40	42	41	39	37	36
Sun	36	36	36	36	36	36	37	37	38	38	38	37	37	37	38	38	36

About this drive

On weekdays the 37-mile drive from Brea to Fontana (via I-10 East and SR-57 North) usually takes as little as 35 minutes and up to 54 minutes, when leaving around 4 pm on Fridays. The fastest times to leave are before 6:30 am or after 8:30 pm. Midday (11 am to 2 pm) it takes about 44 minutes. On weekends it is slowest around 5 pm on Saturdays (42 minutes).

About 31 miles of it is freeway, where times follow typical and live traffic from our sensors, and about 6 miles surface streets (8 to 12 minutes on weekdays), estimated from how jammed the freeways around them are at that time. Drive times are measured from central Brea to central Fontana along the route on the map. Starting or ending elsewhere in a big city can add or save several minutes.

Simulated from typical freeway speeds at each point of the drive for the time you would reach it, from every 5-minute reading we have recorded. We don't have sensors on surface streets yet, so the time on them is estimated from how congested the freeways around each end of the drive are at that time, in both directions: streets jam when the freeways do.

Questions

What is the best time to drive from Brea to Fontana?

On weekdays, leave before 6:30 am or after 8:30 pm. The drive usually takes about 35 minutes then, versus up to 54 minutes at the worst times.

How long does it take to drive from Brea to Fontana?

The 37-mile drive usually takes 35 to 54 minutes on weekdays, depending on when you leave, and about 44 minutes midday.

When is traffic worst from Brea to Fontana?

Leaving around 4 pm on Fridays is usually slowest, about 54 minutes.

Freeways on this drive

I-10 East in Inland Empire (15 miles) · SR-57 North in Los Angeles (7 miles) · I-10 East in Los Angeles (6 miles) · SR-60 East in Los Angeles (2 miles)

Orange County traffic right now · Orange County traffic tomorrow · Inland Empire traffic right now · Inland Empire traffic tomorrow

More drives

Fontana to Brea (return trip) · Brea to Los Angeles · Brea to San Diego · Brea to Long Beach · Brea to Anaheim · Brea to Riverside · Brea to Santa Ana · Brea to Irvine · Brea to San Bernardino

Open the live traffic map →

Leave	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	35	37	40	40	42	43	43	43	44	44	48	51	50	46	43	41	36
Tue	35	38	40	41	42	41	43	43	43	43	50	48	50	49	43	41	37
Wed	36	39	41	42	42	44	45	44	43	43	47	49	50	45	39	39	36
Thu	36	38	40	41	41	42	42	42	43	44	49	49	51	46	40	39	36
Fri	36	38	40	40	42	43	43	44	45	48	51	54	51	49	43	40	37
Sat	36	37	37	37	37	38	39	39	39	39	41	40	42	41	39	37	36
Sun	36	36	36	36	36	36	37	37	38	38	38	37	37	37	38	38	36

Leave	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	35	37	40	40	42	43	43	43	44	44	48	51	50	46	43	41	36
Tue	35	38	40	41	42	41	43	43	43	43	50	48	50	49	43	41	37
Wed	36	39	41	42	42	44	45	44	43	43	47	49	50	45	39	39	36
Thu	36	38	40	41	41	42	42	42	43	44	49	49	51	46	40	39	36
Fri	36	38	40	40	42	43	43	44	45	48	51	54	51	49	43	40	37
Sat	36	37	37	37	37	38	39	39	39	39	41	40	42	41	39	37	36
Sun	36	36	36	36	36	36	37	37	38	38	38	37	37	37	38	38	36

Leave	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	35	37	40	40	42	43	43	43	44	44	48	51	50	46	43	41	36
Tue	35	38	40	41	42	41	43	43	43	43	50	48	50	49	43	41	37
Wed	36	39	41	42	42	44	45	44	43	43	47	49	50	45	39	39	36
Thu	36	38	40	41	41	42	42	42	43	44	49	49	51	46	40	39	36
Fri	36	38	40	40	42	43	43	44	45	48	51	54	51	49	43	40	37
Sat	36	37	37	37	37	38	39	39	39	39	41	40	42	41	39	37	36
Sun	36	36	36	36	36	36	37	37	38	38	38	37	37	37	38	38	36