Traffic Predict

Best Time to Drive from SNA to ONT

Right now (5:50 pm PST): about 79 minutes via SR-57 North and SR-60 East, usually 56 at this time.

Only 45% 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.

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Typical drive time by departure time

Minutes from SNA to ONT by day and time you leave (local time)
Leave5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm
Mon3941444747464646475158646456464239
Tue3942454947484747495360676963534339
Wed3942464847474647505360656963514340
Thu3941454746484747485260676760514439
Fri3841434445464748525967686956474340
Sat3840404141424242434346474745434240
Sun3939393940414142424242424241424239

About this drive

On weekdays the 42-mile drive from SNA to ONT (via SR-57 North and SR-60 East) usually takes as little as 38 minutes and up to 73 minutes, when leaving around 4:30 pm on Thursdays. The fastest times to leave are before 6:30 am or after 8:30 pm. Midday (11 am to 2 pm) it takes about 49 minutes. On weekends it is slowest around 4:30 pm on Saturdays (47 minutes).

About 40 miles of it is freeway, where times follow typical and live traffic from our sensors, and about 2 miles surface streets (4 to 7 minutes on weekdays), estimated from how jammed the freeways around them are at that time. Drive times are measured from John Wayne Airport, Orange County (SNA) (Paularino Avenue) to Ontario International Airport (ONT) (Tower Drive) 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 SNA to ONT?

On weekdays, leave before 6:30 am or after 8:30 pm. The drive usually takes about 38 minutes then, versus up to 73 minutes at the worst times.

How long does it take to drive from SNA to ONT?

The 42-mile drive usually takes 38 to 73 minutes on weekdays, depending on when you leave, and about 49 minutes midday.

When is traffic worst from SNA to ONT?

Leaving around 4:30 pm on Thursdays is usually slowest, about 73 minutes.

Freeways on this drive

SNA to ONT over Thanksgiving: when to leave →

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