UA274
United Airlines flight 274 — San Francisco (SFO) to Houston (IAH)
On time
86%
Avg delay
~67 min
Cancelled
1.0%
UA274 is a reliable flight. About 86% 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 | 67% | 3.2% | 101 min |
| 2026-06 | 83% | 0.0% | 192 min |
| 2026-05 | 95% | 0.0% | 171 min |
| 2026-05 | 91% | 0.0% | 19 min |
| 2026-04 | 100% | 0.0% | 0 min |
| 2026-04 | 84% | 0.0% | 122 min |
| 2026-03 | 96% | 0.0% | 30 min |
| 2026-03 | 75% | 0.0% | 82 min |
| 2026-03 | 80% | 0.0% | 202 min |
| 2026-03 | 67% | 0.0% | 20 min |
| 2026-02 | 94% | 0.0% | 18 min |
| 2026-02 | 91% | 0.0% | 30 min |
Top delay cause
airline operations
Based on 1,781 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.