Flight OddsUA3639 GRR → EWR
United Airlines · Grand Rapids, MI to Newark, NJ · 75 flights observed, 2026-03-05 to 2026-05-20 · 605 mi
UA3639 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
77%
Median delay
-12 min
90th percentile
+55 min
Cancellation rate
0%
How often is UA3639 on time?
Across 75 flights on GRR → EWR from 2026-03-05 to 2026-05-20, UA3639 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +55 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 | 58 | 77% |
| 16-30 min | 6 | 8% |
| 31-60 min | 3 | 4% |
| 61-120 min | 7 | 9% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 27 | 63% | +23 min |
| 2026-04 | 28 | 82% | -5 min |
| 2026-05 | 20 | 90% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 82% |
| Tue | 11 | 73% |
| Wed | 10 | 90% |
| Thu | 11 | 73% |
| Fri | 11 | 64% |
| Sat | 10 | 80% |
| Sun | 11 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…