Flight OddsUA4534 GRR → ORD
United Airlines · Grand Rapids, MI to Chicago, IL · 9 flights observed, 2026-03-29 to 2026-04-26 · 137 mi
UA4534 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
56%
Median delay
+15 min
90th percentile
+25 min
Cancellation rate
0%
How often is UA4534 on time?
Across 9 flights on GRR → ORD from 2026-03-29 to 2026-04-26, UA4534 arrived within 15 minutes of schedule 56% of the time. The median arrival delay was +15 min, and the worst 10% of flights arrived +25 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 | 5 | 56% |
| 16-30 min | 3 | 33% |
| 31-60 min | 1 | 11% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 1 | 0% | +33 min |
| 2026-04 | 8 | 63% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 4 | 25% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…