Flight OddsDEN → BUF United Airlines
United Airlines · Denver, CO to Buffalo, NY · 294 flights, 2025-07-01 to 2026-06-30 · aggregated across 9 flight numbers
On-time arrival
71%
Median delay
-2 min
90th percentile
+90 min
Cancellation rate
0%
How on-time is United Airlines from DEN to BUF?
Across every United Airlines flight number on DEN → BUF (294 flights, 2025-07-01 to 2026-06-30), 71% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +90 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 209 | 71% |
| 16-30 min | 24 | 8% |
| 31-60 min | 19 | 6% |
| 61-120 min | 25 | 9% |
| 2+ hrs | 17 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 35% | +61 min |
| 2025-08 | 31 | 45% | +45 min |
| 2025-09 | 30 | 63% | +15 min |
| 2025-10 | 31 | 87% | -3 min |
| 2025-11 | 30 | 87% | +4 min |
| 2025-12 | 1 | 100% | -7 min |
| 2026-02 | 18 | 78% | +49 min |
| 2026-03 | 31 | 87% | -1 min |
| 2026-04 | 30 | 80% | -1 min |
| 2026-05 | 31 | 77% | +10 min |
| 2026-06 | 30 | 73% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 42 | 69% |
| Tue | 42 | 67% |
| Wed | 42 | 74% |
| Thu | 42 | 76% |
| Fri | 42 | 69% |
| Sat | 42 | 71% |
| Sun | 42 | 71% |
UA flight numbers on DEN → BUF
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…