UA4012 BDL → IAD
United Airlines · Hartford, CT to Washington, DC · 46 flights observed, 2025-10-26 to 2025-12-17 · 325 mi
UA4012 covers more than one route in the data window — the stats below are for BDL → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
47%
Median delay
+16 min
90th percentile
+98 min
Cancellation rate
7%
How often is UA4012 on time?
Across 46 flights on BDL → IAD from 2025-10-26 to 2025-12-17, UA4012 arrived within 15 minutes of schedule 47% of the time. The median arrival delay was +16 min, and the worst 10% of flights arrived +98 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 20 | 47% |
| 16-30 min | 15 | 35% |
| 31-60 min | 2 | 5% |
| 61-120 min | 2 | 5% |
| 2+ hrs | 4 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 33% | +35 min |
| 2025-11 | 22 | 45% | +20 min |
| 2025-12 | 15 | 53% | +29 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 57% |
| Tue | 7 | 43% |
| Wed | 7 | 43% |
| Thu | 7 | 57% |
| Fri | 7 | 57% |
| Sat | No data | — |
| Sun | 8 | 25% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…