Flight OddsUA3439 GRR → EWR
United Airlines · Grand Rapids, MI to Newark, NJ · 31 flights observed, 2025-07-01 to 2025-07-31 · 605 mi
UA3439 covers more than one route in the data window — the stats below are for GRR → EWR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
74%
Median delay
-3 min
90th percentile
+52 min
Cancellation rate
13%
How often is UA3439 on time?
Across 31 flights on GRR → EWR from 2025-07-01 to 2025-07-31, UA3439 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +52 min or later. 13% 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 | 2 | 7% |
| 31-60 min | 2 | 7% |
| 61-120 min | 1 | 4% |
| 2+ hrs | 2 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 27 | 74% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 4 | 75% |
| Wed | 5 | 60% |
| Thu | 4 | 75% |
| Fri | 4 | 75% |
| Sat | 4 | 100% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…