Flight OddsUA4489 BTV → IAD
United Airlines · Burlington, VT to Washington, DC · 37 flights observed, 2026-03-05 to 2026-04-27 · 441 mi
UA4489 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
61%
Median delay
+2 min
90th percentile
+99 min
Cancellation rate
3%
How often is UA4489 on time?
Across 37 flights on BTV → IAD from 2026-03-05 to 2026-04-27, UA4489 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +99 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 22 | 61% |
| 16-30 min | 3 | 8% |
| 31-60 min | 3 | 8% |
| 61-120 min | 4 | 11% |
| 2+ hrs | 4 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 19 | 42% | +77 min |
| 2026-04 | 17 | 82% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 71% |
| Tue | 3 | 33% |
| Wed | 3 | 33% |
| Thu | 7 | 71% |
| Fri | 6 | 50% |
| Sat | 4 | 75% |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…