Flight OddsUA3500 IAD → BTV
United Airlines · Washington, DC to Burlington, VT · 22 flights observed, 2025-07-01 to 2025-07-31 · 441 mi
UA3500 covers more than one route in the data window — the stats below are for IAD → BTV, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
+5 min
90th percentile
+144 min
Cancellation rate
18%
How often is UA3500 on time?
Across 22 flights on IAD → BTV from 2025-07-01 to 2025-07-31, UA3500 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +144 min or later. 18% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 14 | 78% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 2 | 11% |
| 2+ hrs | 2 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 18 | 78% | +34 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 4 | 75% |
| Wed | 4 | 100% |
| Thu | 4 | 50% |
| Fri | 3 | 67% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…