BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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AUS→ONT

Southwest Airlines Austin, TX (AUS) to Ontario, CA (ONT) reliability

Among 335 scheduled Southwest Airlines flights from AUS to ONT, 76.7% arrived on time, 13.1% arrived at least 30 minutes late, and 0.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Southwest Airlines (WN) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
76.7%arrived on time
13.1%30+ min late
0.3%cancelled
335scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late13.1%
60+ minutes late5.7%
Cancelled0.3%
Average arrival+7.3 mincompleted flights

What did Southwest Airlines AUS to ONT record?

Southwest Airlines completed 99.7% of its scheduled reportable AUS to ONT flights in the observation window. 76.7% of all scheduled flights arrived less than 15 minutes late, while 5.7% arrived at least an hour late.

What were Southwest Airlines AUS to ONT disruption rates?

For Southwest Airlines AUS-to-ONT flights, 13.1% arrived at least 30 minutes late, 0.3% were cancelled, and 0.0% were diverted.

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What was the Southwest Airlines AUS to ONT scheduled cohort?

The Southwest Airlines AUS-to-ONT cohort contained 335 scheduled flights; 334 completed, 1 were cancelled, and 0 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.