Flight OddsUA755 IAD → BOS
United Airlines · Washington, DC to Boston, MA · 325 flights observed, 2025-07-01 to 2026-06-30 · 412 mi
UA755 covers more than one route in the data window — the stats below are for IAD → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-4 min
90th percentile
+38 min
Cancellation rate
2%
How often is UA755 on time?
Across 325 flights on IAD → BOS from 2025-07-01 to 2026-06-30, UA755 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +38 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 258 | 81% |
| 16-30 min | 23 | 7% |
| 31-60 min | 18 | 6% |
| 61-120 min | 13 | 4% |
| 2+ hrs | 5 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 69% | +23 min |
| 2025-08 | 31 | 84% | +0 min |
| 2025-09 | 24 | 83% | +3 min |
| 2025-10 | 5 | 80% | +2 min |
| 2025-11 | 29 | 76% | +4 min |
| 2025-12 | 29 | 76% | +10 min |
| 2026-01 | 30 | 90% | +21 min |
| 2026-02 | 22 | 82% | 0 min |
| 2026-03 | 29 | 69% | +16 min |
| 2026-04 | 30 | 90% | -8 min |
| 2026-05 | 30 | 90% | -7 min |
| 2026-06 | 29 | 86% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 77% |
| Tue | 46 | 85% |
| Wed | 43 | 81% |
| Thu | 44 | 75% |
| Fri | 47 | 85% |
| Sat | 45 | 87% |
| Sun | 45 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…