AUS → ONTAustin to Ontario

live

Direct flights from Austin (AUS) to Ontario (ONT): 5 nonstop departures observed each week across 1 airline. 100% of the last 6 operated flights arrived within 15 minutes of schedule. The median arrival is 10 minutes early. No cancellations were recorded across the 6 tracked flights. The nonstop covers 1,922 km, an estimated 2 hours 58 minutes in the air. Measured by Pro Flight Search from live flight boards at Austin and Ontario. Updated 10 September 2026 at 08:53 UTC.

AUS Austin heavy · +33
ONT Ontario smooth · +2
1,922 km · ~2h 58m est.
dep bank 10:50–11:005x weekly
Runs reliable · 1 airline · 5x weekly · nonstop
100% on time

of the last 6 operated AUS → ONT flights arrived within 15 minutes

Median arrival delay is −10 min. 0 of 6 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−10 minacross the last 6 operated legs
Flight time~2h 58mestimated from route distance
Weekly departures5x1 direct airline on the leg

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 AirlinesWN100% on time

Flights WN2421 10:50 Tu We · WN2158 11:00 Mo Th Fr

History

operated legs · board outcomes
09-09WN2421dep +47 → arr−10
09-08WN2421dep +41 → arr−11
09-07WN2158dep +35 → arr−18
09-06WN300dep +48 → arr−2
09-04WN2158dep +57 → arr+9
09-03WN2158dep +31 → arr−16

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
AUSAustin +33 min heavy 🌤 scattered clouds · N 0 kt Full AUS delay board →
ONTOntario +2 min smooth 🌤 scattered clouds · N 0 kt Full ONT delay board →

Weather lens

Current conditions put the pressure at ONT: 40% odds of a 15+ minute delay and around +8 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Austin to Ontario route actually runs

Pro Flight Search records official board updates for nonstop AUS 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 — Austin (AUS) to Ontario (ONT) route reliability, measured from operated flights on official airport boards.

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

AUS to ONT questions

Is AUS–ONT running on time right now?

Mostly on schedule. The departure side at AUS 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 AUS–ONT?

Operators schedule morning departures around 10:50 from AUS. 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 AUS to ONT?

Great-circle distance is 1,922 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 166–195 min gate-to-gate on this route.

How often does AUS–ONT fly?

Southwest Airlines runs the route with about 5 flights a week (mon–fri). Since one carrier owns the route, a single disruption tends to ripple through the day.