Flight OddsUA4586 GRR → ORD
United Airlines · Grand Rapids, MI to Chicago, IL · 15 flights observed, 2026-05-01 to 2026-05-20 · 137 mi
UA4586 covers more than one route in the data window — the stats below are for GRR → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
23%
Median delay
+47 min
90th percentile
+114 min
Cancellation rate
13%
How often is UA4586 on time?
Across 15 flights on GRR → ORD from 2026-05-01 to 2026-05-20, UA4586 arrived within 15 minutes of schedule 23% of the time. The median arrival delay was +47 min, and the worst 10% of flights arrived +114 min or later. 13% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 3 | 23% |
| 16-30 min | 3 | 23% |
| 31-60 min | 2 | 15% |
| 61-120 min | 4 | 31% |
| 2+ hrs | 1 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 13 | 23% | +56 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 1 | 0% |
| Tue | No data | — |
| Wed | 3 | 33% |
| Thu | 2 | 50% |
| Fri | 3 | 33% |
| Sat | 1 | 0% |
| Sun | 3 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…