Flight OddsDL3909 DTW → AZO
Delta Air Lines · Detroit, MI to Kalamazoo, MI · 320 flights observed, 2025-07-01 to 2026-06-30 · 113 mi
DL3909 covers more than one route in the data window — the stats below are for DTW → AZO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-8 min
90th percentile
+92 min
Cancellation rate
2%
How often is DL3909 on time?
Across 320 flights on DTW → AZO from 2025-07-01 to 2026-06-30, DL3909 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +92 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 | 240 | 77% |
| 16-30 min | 11 | 4% |
| 31-60 min | 19 | 6% |
| 61-120 min | 18 | 6% |
| 2+ hrs | 25 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 67% | +23 min |
| 2025-08 | 31 | 84% | +5 min |
| 2025-09 | 30 | 100% | -9 min |
| 2025-10 | 31 | 94% | +6 min |
| 2025-11 | 26 | 77% | +12 min |
| 2025-12 | 19 | 74% | +16 min |
| 2026-01 | 14 | 36% | +95 min |
| 2026-02 | 16 | 63% | +95 min |
| 2026-03 | 26 | 62% | +43 min |
| 2026-04 | 29 | 83% | +5 min |
| 2026-05 | 31 | 71% | +73 min |
| 2026-06 | 30 | 80% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 78% |
| Tue | 42 | 71% |
| Wed | 41 | 80% |
| Thu | 48 | 71% |
| Fri | 46 | 78% |
| Sat | 39 | 92% |
| Sun | 48 | 69% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…