Flight OddsDL4059 GRB → DTW
Delta Air Lines · Green Bay, WI to Detroit, MI · 189 flights observed, 2025-12-20 to 2026-06-30 · 287 mi
DL4059 covers more than one route in the data window — the stats below are for GRB → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
74%
Median delay
-10 min
90th percentile
+94 min
Cancellation rate
1%
How often is DL4059 on time?
Across 189 flights on GRB → DTW from 2025-12-20 to 2026-06-30, DL4059 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +94 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 139 | 74% |
| 16-30 min | 11 | 6% |
| 31-60 min | 7 | 4% |
| 61-120 min | 15 | 8% |
| 2+ hrs | 15 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 12 | 58% | +71 min |
| 2026-01 | 30 | 60% | +52 min |
| 2026-02 | 26 | 77% | +19 min |
| 2026-03 | 29 | 59% | +33 min |
| 2026-04 | 30 | 77% | +11 min |
| 2026-05 | 31 | 84% | +3 min |
| 2026-06 | 29 | 97% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 27 | 74% |
| Tue | 28 | 71% |
| Wed | 27 | 70% |
| Thu | 27 | 85% |
| Fri | 27 | 78% |
| Sat | 27 | 67% |
| Sun | 24 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…