UA611
United Airlines flight 611 — San Francisco (SFO) to Las Vegas (LAS)
On time
83%
Avg delay
~59 min
Cancelled
1.3%
UA611 is a reliable flight. About 83% of departures arrive on time. When delays happen, the most common cause is late-arriving aircraft.
Monthly breakdown
| Month | On time | Cancelled | Avg delay |
|---|---|---|---|
| 2026-07 | 61% | 0.0% | 66 min |
| 2026-07 | 90% | 0.0% | 51 min |
| 2026-06 | 80% | 0.0% | 41 min |
| 2026-06 | 100% | 0.0% | 0 min |
| 2026-05 | 85% | 0.0% | 34 min |
| 2026-05 | 82% | 0.0% | 120 min |
| 2026-04 | 90% | 0.0% | 27 min |
| 2026-03 | 100% | 0.0% | 0 min |
| 2026-03 | 75% | 0.0% | 105 min |
| 2026-03 | 25% | 0.0% | 22 min |
| 2026-03 | 82% | 0.0% | 27 min |
| 2026-02 | 76% | 0.0% | 105 min |
Top delay cause
late-arriving aircraft
Based on 1,963 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.