UA2135
United Airlines flight 2135 — Seattle (SEA) to Houston (IAH)
On time
80%
Avg delay
~75 min
Cancelled
1.5%
UA2135 is a reliable flight. About 80% 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 | 37% | 3.2% | 77 min |
| 2026-07 | 87% | 0.0% | 43 min |
| 2026-06 | 57% | 0.0% | 87 min |
| 2026-06 | 38% | 0.0% | 91 min |
| 2026-06 | 90% | 0.0% | 250 min |
| 2026-05 | 65% | 0.0% | 58 min |
| 2026-05 | 73% | 0.0% | 74 min |
| 2026-05 | 73% | 0.0% | 31 min |
| 2026-05 | 90% | 0.0% | 90 min |
| 2026-04 | 90% | 0.0% | 38 min |
| 2026-04 | 90% | 0.0% | 21 min |
| 2026-03 | 71% | 3.4% | 97 min |
Top delay cause
airline operations
Based on 1,831 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.