UA1561
United Airlines flight 1561 — Denver (DEN) to San Francisco (SFO)
On time
80%
Avg delay
~58 min
Cancelled
0.5%
UA1561 is a reliable flight. About 80% 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% | 31 min |
| 2026-07 | 50% | 0.0% | 48 min |
| 2026-06 | 43% | 0.0% | 38 min |
| 2026-06 | 70% | 0.0% | 29 min |
| 2026-05 | 52% | 0.0% | 54 min |
| 2026-05 | 89% | 0.0% | 34 min |
| 2026-05 | 55% | 0.0% | 85 min |
| 2026-04 | 87% | 0.0% | 54 min |
| 2026-04 | 87% | 0.0% | 45 min |
| 2026-03 | 84% | 0.0% | 28 min |
| 2026-03 | 93% | 0.0% | 67 min |
| 2026-02 | 79% | 0.0% | 47 min |
Top delay cause
late-arriving aircraft
Based on 2,419 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.