Flight OddsDL4685 GRR → DTW
Delta Air Lines · Grand Rapids, MI to Detroit, MI · 15 flights observed, 2025-12-03 to 2025-12-19 · 120 mi
DL4685 covers more than one route in the data window — the stats below are for GRR → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
47%
Median delay
+29 min
90th percentile
+312 min
Cancellation rate
0%
How often is DL4685 on time?
Across 15 flights on GRR → DTW from 2025-12-03 to 2025-12-19, DL4685 arrived within 15 minutes of schedule 47% of the time. The median arrival delay was +29 min, and the worst 10% of flights arrived +312 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 | 7 | 47% |
| 16-30 min | 1 | 7% |
| 31-60 min | 1 | 7% |
| 61-120 min | 1 | 7% |
| 2+ hrs | 5 | 33% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 15 | 47% | +116 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 2 | 0% |
| Wed | 3 | 33% |
| Thu | 3 | 67% |
| Fri | 3 | 33% |
| Sat | 2 | 50% |
| Sun | 2 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…