Flight OddsUA4181 BTV → IAD
United Airlines · Burlington, VT to Washington, DC · 32 flights observed, 2026-01-06 to 2026-02-11 · 441 mi
UA4181 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
73%
Median delay
-19 min
90th percentile
+143 min
Cancellation rate
6%
How often is UA4181 on time?
Across 32 flights on BTV → IAD from 2026-01-06 to 2026-02-11, UA4181 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -19 min, and the worst 10% of flights arrived +143 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 22 | 73% |
| 16-30 min | 2 | 7% |
| 31-60 min | 1 | 3% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 4 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 20 | 60% | +74 min |
| 2026-02 | 10 | 100% | -20 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 6 | 67% |
| Wed | 6 | 83% |
| Thu | 5 | 40% |
| Fri | 5 | 100% |
| Sat | No data | — |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…