Flight OddsUA4185 BTV → IAD
United Airlines · Burlington, VT to Washington, DC · 97 flights observed, 2026-02-12 to 2026-05-20 · 441 mi
UA4185 covers more than one route in the data window — the stats below are for BTV → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-15 min
90th percentile
+17 min
Cancellation rate
0%
How often is UA4185 on time?
Across 97 flights on BTV → IAD from 2026-02-12 to 2026-05-20, UA4185 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +17 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 86 | 89% |
| 16-30 min | 5 | 5% |
| 31-60 min | 2 | 2% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 17 | 94% | -9 min |
| 2026-03 | 30 | 83% | +1 min |
| 2026-04 | 30 | 93% | -14 min |
| 2026-05 | 20 | 85% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 64% |
| Tue | 14 | 93% |
| Wed | 14 | 93% |
| Thu | 13 | 92% |
| Fri | 14 | 93% |
| Sat | 14 | 93% |
| 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…