Flight OddsUA4556 RIC → ORD
United Airlines · Richmond, VA to Chicago, IL · 35 flights observed, 2026-05-21 to 2026-06-24 · 642 mi
UA4556 covers more than one route in the data window — the stats below are for RIC → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-14 min
90th percentile
+93 min
Cancellation rate
0%
How often is UA4556 on time?
Across 35 flights on RIC → ORD from 2026-05-21 to 2026-06-24, UA4556 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +93 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 | 27 | 77% |
| 16-30 min | 2 | 6% |
| 31-60 min | 1 | 3% |
| 61-120 min | 3 | 9% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 11 | 82% | +23 min |
| 2026-06 | 24 | 75% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 5 | 100% |
| Wed | 5 | 80% |
| Thu | 5 | 60% |
| Fri | 5 | 100% |
| Sat | 5 | 80% |
| Sun | 5 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…