UA1477
United Airlines flight 1477 — Houston (IAH) to San Antonio (SAT)
On time
76%
Avg delay
~79 min
Cancelled
0.9%
UA1477 is fairly reliable, though delays happen. About 76% 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% | 61 min |
| 2026-06 | 73% | 0.0% | 84 min |
| 2026-05 | 65% | 0.0% | 88 min |
| 2026-04 | 77% | 0.0% | 41 min |
| 2026-03 | 73% | 3.2% | 62 min |
| 2026-03 | 100% | 0.0% | 0 min |
| 2026-02 | 93% | 0.0% | 40 min |
| 2026-02 | 94% | 0.0% | 39 min |
| 2026-01 | 87% | 0.0% | 85 min |
| 2025-12 | 87% | 0.0% | 41 min |
| 2025-11 | 63% | 0.0% | 73 min |
| 2025-10 | 71% | 0.0% | 99 min |
Top delay cause
late-arriving aircraft
Based on 1,805 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.