OAK → ONTOakland to Ontario

live

Direct flights from Oakland (OAK) to Ontario (ONT): 25 nonstop departures observed each week across 1 airline. 92% of the last 24 tracked flights arrived within 15 minutes of schedule. The median arrival is 15 minutes early. No cancellations were recorded across the 24 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 31 October 2026 at 13:33 UTC.

Today, OAK → ONT

Sat 31 Oct · local times
  1. 07:50 WN3691Southwest On scheduleT2 ONT est. 09:04sched 09:10

Checked OAK board 06:03 · ONT board 06:33

OAK Oakland heavy · +33
ONT Ontario smooth · +0
582 km · ~1h 15m est.
dep bank 06:20–19:5525x weekly
Runs reliable · 1 airline · 25x weekly · nonstop
92% on time

of the last 24 tracked OAK → ONT flights arrived within 15 minutes

Median arrival delay is −15 min. 0 of 24 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−15 minacross the last 24 arrivals
Flight time~1h 15mestimated from route distance
Weekly departures25x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 24

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 AirlinesWN92% 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
10-30WN1894dep +16 → arr−11
10-30WN2424dep +4 → arr−17
10-30WN3483dep +6 → arr−19
10-30WN3553dep +7 → arr−15
10-29WN1894dep +145 → arr+119
10-29WN2424dep +15 → arr−8
10-29WN3483dep +5 → arr−15
10-29WN3553dep +6 → arr−17
10-28WN332dep +15 → arr−15
10-28WN4097dep +79 → arr+55
10-28WN775dep +5 → arr−21
10-28WN956dep +6 → arr−13
10-27WN332dep +8 → arr−16
10-27WN4097dep +27 → arr−17
10-27WN775dep +11 → arr−14
10-27WN956dep +74 → arr−14
10-26WN1894dep +36 → arr+7
10-26WN2424dep +12 → arr−15
10-26WN3483dep +9 → arr−17
10-26WN3553dep +10 → arr−15
10-25WN2738dep +31 → arr+6
10-25WN4097dep +4 → arr−20
10-24WN1151dep +10 → arr−17
10-24WN449dep +9 → arr−17

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 +33 min heavy 🌤 mostly cloudy · SE 7 kt Full OAK delay board →
ONTOntario +0 min smooth 🌤 overcast · N 0 kt Full ONT delay board →

Weather lens

Conditions are tightest at OAK and ONT: a 45% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +9 min. Both figures come from the two airports' delay records in similar weather. 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. The departure side at OAK is the weaker end, route health score 78/100. 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 25 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.