Flight OddsUA3511 ORD → GRR
United Airlines · Chicago, IL to Grand Rapids, MI · 28 flights observed, 2026-03-29 to 2026-04-29 · 137 mi
UA3511 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
74%
Median delay
-7 min
90th percentile
+108 min
Cancellation rate
4%
How often is UA3511 on time?
Across 28 flights on ORD → GRR from 2026-03-29 to 2026-04-29, UA3511 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +108 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 20 | 74% |
| 16-30 min | 1 | 4% |
| 31-60 min | 1 | 4% |
| 61-120 min | 2 | 7% |
| 2+ hrs | 3 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 67% | +118 min |
| 2026-04 | 24 | 75% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 5 | 60% |
| Wed | 5 | 80% |
| Thu | 3 | 67% |
| Fri | 4 | 75% |
| Sat | No data | — |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…