Flight OddsUA4179 BTV → IAD
United Airlines · Burlington, VT to Washington, DC · 52 flights observed, 2026-01-06 to 2026-03-04 · 441 mi
UA4179 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
75%
Median delay
0 min
90th percentile
+65 min
Cancellation rate
8%
How often is UA4179 on time?
Across 52 flights on BTV → IAD from 2026-01-06 to 2026-03-04, UA4179 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +65 min or later. 8% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 36 | 75% |
| 16-30 min | 3 | 6% |
| 31-60 min | 4 | 8% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 4 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 19 | 58% | +25 min |
| 2026-02 | 25 | 84% | +5 min |
| 2026-03 | 4 | 100% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 83% |
| Tue | 9 | 89% |
| Wed | 8 | 63% |
| Thu | 8 | 63% |
| Fri | 7 | 100% |
| Sat | 3 | 100% |
| Sun | 7 | 43% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…