Flight OddsDL4035 GRR → DTW
Delta Air Lines · Grand Rapids, MI to Detroit, MI · 118 flights observed, 2025-07-06 to 2025-12-19 · 120 mi
DL4035 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
67%
Median delay
-10 min
90th percentile
+109 min
Cancellation rate
1%
How often is DL4035 on time?
Across 118 flights on GRR → DTW from 2025-07-06 to 2025-12-19, DL4035 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +109 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 | 78 | 67% |
| 16-30 min | 6 | 5% |
| 31-60 min | 7 | 6% |
| 61-120 min | 14 | 12% |
| 2+ hrs | 12 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 43% | +39 min |
| 2025-08 | 20 | 70% | +11 min |
| 2025-09 | 17 | 82% | +9 min |
| 2025-10 | 23 | 91% | -8 min |
| 2025-11 | 17 | 65% | +43 min |
| 2025-12 | 17 | 47% | +65 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 20 | 60% |
| Tue | 19 | 68% |
| Wed | 19 | 74% |
| Thu | 19 | 79% |
| Fri | 19 | 63% |
| Sat | No data | — |
| Sun | 21 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…