UA4059 IAD → BDL
United Airlines · Washington, DC to Hartford, CT · 81 flights observed, 2025-10-26 to 2026-06-30 · 325 mi
UA4059 covers more than one route in the data window — the stats below are for IAD → BDL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-7 min
90th percentile
+40 min
Cancellation rate
5%
How often is UA4059 on time?
Across 81 flights on IAD → BDL from 2025-10-26 to 2026-06-30, UA4059 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +40 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 63 | 82% |
| 16-30 min | 2 | 3% |
| 31-60 min | 7 | 9% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 100% | -8 min |
| 2025-11 | 22 | 95% | -6 min |
| 2025-12 | 15 | 60% | +20 min |
| 2026-05 | 8 | 75% | +17 min |
| 2026-06 | 26 | 81% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 69% |
| Tue | 13 | 77% |
| Wed | 11 | 91% |
| Thu | 13 | 77% |
| Fri | 13 | 85% |
| Sat | No data | — |
| Sun | 14 | 93% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…