Flight OddsDL3986 AZO → DTW
Delta Air Lines · Kalamazoo, MI to Detroit, MI · 329 flights observed, 2025-07-01 to 2026-06-30 · 113 mi
DL3986 covers more than one route in the data window — the stats below are for AZO → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-10 min
90th percentile
+95 min
Cancellation rate
2%
How often is DL3986 on time?
Across 329 flights on AZO → DTW from 2025-07-01 to 2026-06-30, DL3986 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +95 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 | 249 | 77% |
| 16-30 min | 10 | 3% |
| 31-60 min | 12 | 4% |
| 61-120 min | 26 | 8% |
| 2+ hrs | 25 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 84% | +5 min |
| 2025-08 | 31 | 68% | +22 min |
| 2025-09 | 30 | 87% | -4 min |
| 2025-10 | 31 | 97% | -3 min |
| 2025-11 | 24 | 88% | +24 min |
| 2025-12 | 1 | 0% | +71 min |
| 2026-01 | 26 | 46% | +58 min |
| 2026-02 | 28 | 57% | +42 min |
| 2026-03 | 30 | 70% | +19 min |
| 2026-04 | 29 | 83% | +7 min |
| 2026-05 | 31 | 84% | +17 min |
| 2026-06 | 30 | 87% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 74% |
| Tue | 47 | 74% |
| Wed | 46 | 80% |
| Thu | 46 | 78% |
| Fri | 47 | 74% |
| Sat | 42 | 86% |
| Sun | 47 | 74% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…