Flight OddsDL4973 GRB → DTW
Delta Air Lines · Green Bay, WI to Detroit, MI · 95 flights observed, 2025-07-01 to 2025-10-05 · 287 mi
DL4973 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
96%
Median delay
-15 min
90th percentile
+1 min
Cancellation rate
0%
How often is DL4973 on time?
Across 95 flights on GRB → DTW from 2025-07-01 to 2025-10-05, DL4973 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +1 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 | 90 | 96% |
| 16-30 min | 1 | 1% |
| 31-60 min | 2 | 2% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 90% | -6 min |
| 2025-08 | 31 | 97% | -10 min |
| 2025-09 | 28 | 100% | -16 min |
| 2025-10 | 5 | 100% | -20 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 92% |
| Tue | 14 | 100% |
| Wed | 14 | 100% |
| Thu | 14 | 93% |
| Fri | 14 | 93% |
| Sat | 12 | 92% |
| Sun | 14 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…