Flight OddsUA4478 ORD → RIC
United Airlines · Chicago, IL to Richmond, VA · 13 flights observed, 2025-09-26 to 2025-10-24 · 642 mi
UA4478 covers more than one route in the data window — the stats below are for ORD → RIC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-13 min
90th percentile
+20 min
Cancellation rate
0%
How often is UA4478 on time?
Across 13 flights on ORD → RIC from 2025-09-26 to 2025-10-24, UA4478 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +20 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 | 10 | 77% |
| 16-30 min | 2 | 15% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 8% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 3 | 67% | +19 min |
| 2025-10 | 10 | 80% | -12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 4 | 50% |
| Wed | No data | — |
| Thu | No data | — |
| Fri | 5 | 100% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…