Flight OddsUA4425 ORD → GRR
United Airlines · Chicago, IL to Grand Rapids, MI · 83 flights observed, 2025-07-01 to 2026-06-24 · 137 mi
UA4425 covers more than one route in the data window — the stats below are for ORD → GRR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
65%
Median delay
0 min
90th percentile
+107 min
Cancellation rate
1%
How often is UA4425 on time?
Across 83 flights on ORD → GRR from 2025-07-01 to 2026-06-24, UA4425 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +107 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 53 | 65% |
| 16-30 min | 11 | 13% |
| 31-60 min | 3 | 4% |
| 61-120 min | 8 | 10% |
| 2+ hrs | 7 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 48% | +34 min |
| 2025-08 | 18 | 44% | +66 min |
| 2026-05 | 11 | 82% | +4 min |
| 2026-06 | 24 | 92% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 67% |
| Tue | 12 | 67% |
| Wed | 12 | 75% |
| Thu | 12 | 50% |
| Fri | 11 | 55% |
| Sat | 11 | 73% |
| Sun | 12 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…