WN576
Southwest Airlines flight 576 — Ontario (ONT) to Las Vegas (LAS)
On time
84%
Avg delay
~38 min
Cancelled
1.0%
WN576 is a reliable flight. About 84% of departures arrive on time. When delays happen, the most common cause is airline operations.
Monthly breakdown
| Month | On time | Cancelled | Avg delay |
|---|---|---|---|
| 2026-07 | 87% | 0.0% | 59 min |
| 2026-07 | 44% | 0.0% | 54 min |
| 2026-06 | 78% | 0.0% | 55 min |
| 2026-06 | 57% | 0.0% | 29 min |
| 2026-06 | 100% | 0.0% | 0 min |
| 2026-05 | 92% | 0.0% | 19 min |
| 2026-05 | 40% | 0.0% | 49 min |
| 2026-05 | 69% | 0.0% | 44 min |
| 2026-05 | 69% | 0.0% | 50 min |
| 2026-05 | 100% | 0.0% | 0 min |
| 2026-05 | 75% | 0.0% | 21 min |
| 2026-05 | 77% | 0.0% | 28 min |
Top delay cause
airline operations
Based on 2,026 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.