Flight OddsBUF → IAD United Airlines
United Airlines · Buffalo, NY to Washington, DC · 1,165 flights, 2025-07-01 to 2026-06-30 · aggregated across 61 flight numbers
On-time arrival
84%
Median delay
-10 min
90th percentile
+41 min
Cancellation rate
2%
How on-time is United Airlines from BUF to IAD?
Across every United Airlines flight number on BUF → IAD (1,165 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -10 min; the worst 10% ran +41 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 953 | 84% |
| 16-30 min | 50 | 4% |
| 31-60 min | 37 | 3% |
| 61-120 min | 38 | 3% |
| 2+ hrs | 58 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 115 | 75% | +25 min |
| 2025-08 | 113 | 88% | +1 min |
| 2025-09 | 99 | 91% | -3 min |
| 2025-10 | 89 | 90% | +9 min |
| 2025-11 | 84 | 79% | +2 min |
| 2025-12 | 73 | 68% | +30 min |
| 2026-01 | 62 | 79% | +22 min |
| 2026-02 | 68 | 75% | +35 min |
| 2026-03 | 106 | 82% | +21 min |
| 2026-04 | 106 | 92% | +5 min |
| 2026-05 | 116 | 89% | -5 min |
| 2026-06 | 105 | 90% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 168 | 82% |
| Tue | 155 | 84% |
| Wed | 154 | 79% |
| Thu | 174 | 86% |
| Fri | 167 | 83% |
| Sat | 150 | 88% |
| Sun | 168 | 85% |
UA flight numbers on BUF → IAD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…