Flight OddsUA4171 ORD → ROA
United Airlines · Chicago, IL to Roanoke, VA · 56 flights observed, 2026-03-05 to 2026-04-29 · 530 mi
UA4171 covers more than one route in the data window — the stats below are for ORD → ROA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
42%
Median delay
+21 min
90th percentile
+122 min
Cancellation rate
9%
How often is UA4171 on time?
Across 56 flights on ORD → ROA from 2026-03-05 to 2026-04-29, UA4171 arrived within 15 minutes of schedule 42% of the time. The median arrival delay was +21 min, and the worst 10% of flights arrived +122 min or later. 9% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 21 | 42% |
| 16-30 min | 10 | 20% |
| 31-60 min | 7 | 14% |
| 61-120 min | 7 | 14% |
| 2+ hrs | 5 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 25 | 40% | +58 min |
| 2026-04 | 25 | 44% | +40 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 0% |
| Tue | 7 | 29% |
| Wed | 6 | 83% |
| Thu | 7 | 14% |
| Fri | 8 | 50% |
| Sat | 8 | 38% |
| Sun | 7 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…