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

Southwest Airlines Ontario, CA (ONT) to Dallas, TX (DAL) reliability

Among 403 scheduled Southwest Airlines flights from ONT to DAL, 74.4% arrived on time, 11.9% arrived at least 30 minutes late, and 1.5% 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
74.4%arrived on time
11.9%30+ min late
1.5%cancelled
403scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late11.9%
60+ minutes late5.0%
Cancelled1.5%
Average arrival+9.7 mincompleted flights

What did Southwest Airlines ONT to DAL record?

Southwest Airlines completed 98.3% of its scheduled reportable ONT to DAL flights in the observation window. 74.4% of all scheduled flights arrived less than 15 minutes late, while 5.0% arrived at least an hour late.

What were Southwest Airlines ONT to DAL disruption rates?

For Southwest Airlines ONT-to-DAL flights, 11.9% arrived at least 30 minutes late, 1.5% were cancelled, and 0.2% were diverted.

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What was the Southwest Airlines ONT to DAL scheduled cohort?

The Southwest Airlines ONT-to-DAL cohort contained 403 scheduled flights; 396 completed, 6 were cancelled, and 1 were diverted.

Not a prediction.

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