UA1770 DEN → GRR
United Airlines · Denver, CO to Grand Rapids, MI · 117 flights observed, 2025-07-01 to 2025-10-25 · 1,015 mi
UA1770 covers more than one route in the data window — the stats below are for DEN → GRR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
61%
Median delay
+8 min
90th percentile
+73 min
Cancellation rate
2%
How often is UA1770 on time?
Across 117 flights on DEN → GRR from 2025-07-01 to 2025-10-25, UA1770 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +73 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 70 | 61% |
| 16-30 min | 11 | 10% |
| 31-60 min | 19 | 17% |
| 61-120 min | 8 | 7% |
| 2+ hrs | 7 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 34% | +59 min |
| 2025-08 | 31 | 68% | +32 min |
| 2025-09 | 30 | 57% | +21 min |
| 2025-10 | 25 | 88% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 56% |
| Tue | 17 | 47% |
| Wed | 17 | 65% |
| Thu | 17 | 53% |
| Fri | 16 | 63% |
| Sat | 17 | 59% |
| Sun | 15 | 87% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…