UA755
United Airlines flight 755 — Washington (IAD) to Boston (BOS)
On time
81%
Avg delay
~62 min
Cancelled
1.2%
UA755 is a reliable flight. About 81% 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 | 68% | 3.4% | 108 min |
| 2026-06 | 86% | 3.3% | 46 min |
| 2026-05 | 90% | 3.2% | 22 min |
| 2026-05 | 85% | 0.0% | 57 min |
| 2026-04 | 90% | 0.0% | 31 min |
| 2026-04 | 11% | 3.4% | 63 min |
| 2026-04 | 76% | 0.0% | 65 min |
| 2026-03 | 69% | 0.0% | 54 min |
| 2026-03 | 50% | 0.0% | 40 min |
| 2026-03 | 74% | 0.0% | 59 min |
| 2026-02 | 82% | 8.3% | 35 min |
| 2026-02 | 88% | 0.0% | 60 min |
Top delay cause
late-arriving aircraft
Based on 2,019 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.