Flight OddsUA3499 BUF → IAD
United Airlines · Buffalo, NY to Washington, DC · 12 flights observed, 2025-12-19 to 2026-01-05 · 283 mi
UA3499 covers more than one route in the data window — the stats below are for BUF → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
73%
Median delay
-20 min
90th percentile
+58 min
Cancellation rate
8%
How often is UA3499 on time?
Across 12 flights on BUF → IAD from 2025-12-19 to 2026-01-05, UA3499 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -20 min, and the worst 10% of flights arrived +58 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 | 8 | 73% |
| 16-30 min | 0 | 0% |
| 31-60 min | 2 | 18% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 10 | 70% | +16 min |
| 2026-01 | 1 | 100% | -20 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 100% |
| Tue | 2 | 50% |
| Wed | 2 | 50% |
| Thu | 1 | 100% |
| Fri | 2 | 50% |
| Sat | 1 | 100% |
| Sun | 1 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…