Flight OddsUA4424 BTV → IAD
United Airlines · Burlington, VT to Washington, DC · 36 flights observed, 2026-01-06 to 2026-02-11 · 441 mi
UA4424 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
79%
Median delay
-14 min
90th percentile
+73 min
Cancellation rate
6%
How often is UA4424 on time?
Across 36 flights on BTV → IAD from 2026-01-06 to 2026-02-11, UA4424 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +73 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 | 27 | 79% |
| 16-30 min | 1 | 3% |
| 31-60 min | 2 | 6% |
| 61-120 min | 3 | 9% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 24 | 79% | +3 min |
| 2026-02 | 10 | 80% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 6 | 83% |
| Wed | 5 | 60% |
| Thu | 5 | 80% |
| Fri | 5 | 80% |
| Sat | 5 | 100% |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…