Flight OddsUA4897 IAD → ROA
United Airlines · Washington, DC to Roanoke, VA · 206 flights observed, 2025-07-03 to 2026-06-30 · 177 mi
On-time arrival
82%
Median delay
-6 min
90th percentile
+31 min
Cancellation rate
0%
How often is UA4897 on time?
Across 206 flights on IAD → ROA from 2025-07-03 to 2026-06-30, UA4897 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +31 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 167 | 82% |
| 16-30 min | 15 | 7% |
| 31-60 min | 6 | 3% |
| 61-120 min | 8 | 4% |
| 2+ hrs | 7 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 16 | 75% | +19 min |
| 2025-08 | 24 | 75% | +7 min |
| 2025-09 | 30 | 90% | +14 min |
| 2025-10 | 29 | 86% | -1 min |
| 2025-11 | 27 | 78% | +3 min |
| 2025-12 | 13 | 69% | +60 min |
| 2026-01 | 5 | 100% | -16 min |
| 2026-04 | 1 | 100% | -7 min |
| 2026-05 | 28 | 89% | +31 min |
| 2026-06 | 30 | 80% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 26 | 88% |
| Tue | 23 | 78% |
| Wed | 22 | 59% |
| Thu | 32 | 88% |
| Fri | 33 | 79% |
| Sat | 34 | 91% |
| Sun | 33 | 85% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…