Southwest AirlinesWN78% on time
Flights WN2803 08:30 Tu We · WN901 11:20 Mo Th Fr · WN3171 12:50 Mo Th Fr Su
live
Direct flights from Ontario (ONT) to Austin (AUS): 6 nonstop departures observed each week across 1 airline. 78% of the last 9 operated flights arrived within 15 minutes of schedule. The median arrival is 4 minutes early. No cancellations were recorded across the 9 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 Ontario and Austin. Updated 15 September 2026 at 01:19 UTC.
ONT
Ontario
busy · +17
AUS
Austin
smooth · +0
1,922 km · ~2h 58m est.
Runs mixed · 1 airline · 6x weekly · nonstop
78% on time
of the last 9 operated ONT → AUS flights arrived within 15 minutes
Median arrival delay is −4 min. 0 of 9 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−4 minacross the last 9 operated legs
Flight time~2h 58mestimated from route distance
Weekly departures6x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
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 daysHistory
operated legs · board outcomes09-14WN901arrived−9
09-11WN901arrived−14
09-10WN901arrived−5
Actual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at ONT and AUS: 39% 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 →
next sweep in 120s
How the Ontario to Austin route actually runs
Pro Flight Search records official board updates for nonstop ONT to AUS 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 — Ontario (ONT) to Austin (AUS) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/ONT-AUS
ONT to AUS questions
Is ONT–AUS running on time right now?
Smooth skies ahead. The departure side at ONT is the weaker end, route health score 89/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on ONT–AUS?
Operators schedule morning departures around 08:30 from ONT. Earlier flights typically land before destination-airport delays accumulate later in the day; check the AUS delay card to confirm conditions when you'd arrive.
How long is the flight from ONT to AUS?
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 ONT–AUS fly?
Southwest Airlines runs the route with about 9 flights a week (sun, mon, tue, wed, thu, fri). Since one carrier owns the route, a single disruption tends to ripple through the day.
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