Flight OddsUA4504 ORD → ROA
United Airlines · Chicago, IL to Roanoke, VA · 25 flights observed, 2026-04-01 to 2026-04-29 · 530 mi
UA4504 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
70%
Median delay
-2 min
90th percentile
+38 min
Cancellation rate
8%
How often is UA4504 on time?
Across 25 flights on ORD → ROA from 2026-04-01 to 2026-04-29, UA4504 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +38 min or later. 8% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 16 | 70% |
| 16-30 min | 4 | 17% |
| 31-60 min | 1 | 4% |
| 61-120 min | 2 | 9% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 23 | 70% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 3 | 100% |
| Wed | 5 | 100% |
| Thu | 4 | 25% |
| Fri | 3 | 67% |
| Sat | No data | — |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…