Flight OddsUA4425 ROA → ORD
United Airlines · Roanoke, VA to Chicago, IL · 71 flights observed, 2026-02-12 to 2026-04-29 · 530 mi
UA4425 covers more than one route in the data window — the stats below are for ROA → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-8 min
90th percentile
+101 min
Cancellation rate
10%
How often is UA4425 on time?
Across 71 flights on ROA → ORD from 2026-02-12 to 2026-04-29, UA4425 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +101 min or later. 10% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 48 | 77% |
| 16-30 min | 4 | 6% |
| 31-60 min | 2 | 3% |
| 61-120 min | 4 | 6% |
| 2+ hrs | 4 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 17 | 65% | +8 min |
| 2026-03 | 25 | 84% | +2 min |
| 2026-04 | 20 | 80% | +35 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 67% |
| Tue | 5 | 100% |
| Wed | 11 | 64% |
| Thu | 9 | 89% |
| Fri | 9 | 56% |
| Sat | 9 | 78% |
| Sun | 10 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…