Flight OddsUA3438 GRR → ORD
United Airlines · Grand Rapids, MI to Chicago, IL · 36 flights observed, 2026-01-06 to 2026-02-11 · 137 mi
UA3438 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
72%
Median delay
+1 min
90th percentile
+67 min
Cancellation rate
0%
How often is UA3438 on time?
Across 36 flights on GRR → ORD from 2026-01-06 to 2026-02-11, UA3438 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +67 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 | 26 | 72% |
| 16-30 min | 3 | 8% |
| 31-60 min | 2 | 6% |
| 61-120 min | 5 | 14% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 69% | +16 min |
| 2026-02 | 10 | 80% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 6 | 67% |
| Wed | 5 | 80% |
| Thu | 5 | 80% |
| Fri | 5 | 80% |
| Sat | 5 | 80% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…