UA336
United Airlines flight 336 — Chicago (ORD) to San Francisco (SFO)
On time
81%
Avg delay
~59 min
Cancelled
1.6%
UA336 is a reliable flight. About 81% 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 | 6% | 0.0% | 53 min |
| 2026-07 | 74% | 0.0% | 163 min |
| 2026-06 | 28% | 3.3% | 58 min |
| 2026-06 | 77% | 0.0% | 122 min |
| 2026-05 | 9% | 0.0% | 75 min |
| 2026-05 | 77% | 0.0% | 67 min |
| 2026-04 | 100% | 0.0% | 0 min |
| 2026-04 | 60% | 0.0% | 54 min |
| 2026-03 | 78% | 0.0% | 82 min |
| 2026-03 | 67% | 25.0% | 31 min |
| 2026-03 | 84% | 0.0% | 47 min |
| 2026-02 | 82% | 0.0% | 29 min |
Top delay cause
airline operations
Based on 1,970 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.