OAK → ONTOakland to Ontario

live

Direct flights from Oakland (OAK) to Ontario (ONT): 7 nonstop departures observed each week across 1 airline. 68% of the last 25 operated flights arrived within 15 minutes of schedule. The median arrival is 9 minutes late. No cancellations were recorded across the 25 tracked flights. The nonstop covers 582 km, an estimated 1 hour 15 minutes in the air. Measured by Pro Flight Search from live flight boards at Oakland and Ontario. Updated 16 October 2026 at 05:18 UTC.

OAK Oakland busy · +18
ONT Ontario busy · +18
582 km · ~1h 15m est.
dep bank 06:20–20:557x weekly
Runs mixed · 1 airline · 7x weekly · nonstop
68% on time

of the last 25 operated OAK → ONT flights arrived within 15 minutes

Median arrival delay is +9 min. 0 of 25 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+9 minacross the last 25 operated legs
Flight time~1h 15mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 25

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Southwest AirlinesWN68% on time

Flights WN3483 06:20 Mo Th Fr · WN449 06:50 Sa · WN775 08:20 Tu We · WN2738 08:30 Su

History

operated legs · board outcomes
10-15WN1894dep +64 → arr+48
10-15WN2424dep +95 → arr+84
10-15WN3483dep +16 → arr−6
10-15WN3553dep +12 → arr−1
10-14WN332dep +9 → arr+13
10-14WN4097dep +41 → arr−13
10-14WN775dep +2 → arr−26
10-14WN956dep +10 → arr−17
10-13WN4097dep +17 → arr+142
10-13WN775dep +8 → arr−6
10-13WN956dep +0 → arr−12
10-12WN1894dep +8 → arr+11
10-12WN2424dep +2 → arr−24
10-12WN3483dep +139 → arr+114
10-12WN3553dep +5 → arr−20
10-11WN2738dep +32 → arr+9
10-11WN3185dep +40 → arr+11
10-11WN3239dep +74 → arr+54
10-11WN4097dep +61 → arr+38
10-10WN1151dep +16 → arr+256
10-10WN449dep +13 → arr−8
10-09WN1894dep +88 → arr+61
10-09WN2424dep +17 → arr−4
10-09WN3483dep +33 → arr+14
10-09WN3553dep +13 → arr−10

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
OAKOakland +18 min busy 🌤 clear · NNW 3 kt Full OAK delay board →
ONTOntario +18 min busy 🌤 clear · NE 26 kt Full ONT delay board →

Weather lens

Current conditions put the pressure at OAK and ONT: 45% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Oakland to Ontario route actually runs

Pro Flight Search records official board updates for nonstop OAK to ONT flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Oakland (OAK) to Ontario (ONT) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/OAK-ONT
How we measure this →

OAK to ONT questions

Is OAK–ONT running on time right now?

Mostly on schedule. Both endpoints currently score the same, route health score 76/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on OAK–ONT?

Operators schedule morning departures around 06:20 and evening departures around 17:00 from OAK. Earlier flights typically land before destination-airport delays accumulate later in the day; check the ONT delay card to confirm conditions when you'd arrive.

How long is the flight from OAK to ONT?

Great-circle distance is 582 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 71–80 min gate-to-gate on this route.

How often does OAK–ONT fly?

Southwest Airlines runs the route with about 26 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.