Flight OddsUA4455 IAD → BUF
United Airlines · Washington, DC to Buffalo, NY · 18 flights observed, 2026-02-12 to 2026-03-04 · 283 mi
UA4455 covers more than one route in the data window — the stats below are for IAD → BUF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-20 min
90th percentile
+86 min
Cancellation rate
6%
How often is UA4455 on time?
Across 18 flights on IAD → BUF from 2026-02-12 to 2026-03-04, UA4455 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -20 min, and the worst 10% of flights arrived +86 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 | 14 | 82% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 2 | 12% |
| 2+ hrs | 1 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 13 | 77% | +27 min |
| 2026-03 | 4 | 100% | -30 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 2 | 50% |
| Wed | 3 | 100% |
| Thu | 3 | 67% |
| Fri | 3 | 100% |
| Sat | No data | — |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…