Flight OddsUA3665 ORD → GRR
United Airlines · Chicago, IL to Grand Rapids, MI · 68 flights observed, 2025-08-19 to 2025-10-25 · 137 mi
UA3665 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
96%
Median delay
-17 min
90th percentile
+5 min
Cancellation rate
0%
How often is UA3665 on time?
Across 68 flights on ORD → GRR from 2025-08-19 to 2025-10-25, UA3665 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +5 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 | 65 | 96% |
| 16-30 min | 2 | 3% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 100% | -12 min |
| 2025-09 | 30 | 93% | -11 min |
| 2025-10 | 25 | 96% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 100% |
| Tue | 10 | 90% |
| Wed | 10 | 100% |
| Thu | 10 | 100% |
| Fri | 10 | 100% |
| Sat | 10 | 80% |
| Sun | 9 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…