Flight OddsDL866 MIA → DTW
Delta Air Lines · Miami, FL to Detroit, MI · 151 flights observed, 2025-07-06 to 2026-06-30 · 1,145 mi
DL866 covers more than one route in the data window — the stats below are for MIA → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
67%
Median delay
-2 min
90th percentile
+55 min
Cancellation rate
1%
How often is DL866 on time?
Across 151 flights on MIA → DTW from 2025-07-06 to 2026-06-30, DL866 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +55 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 | 100 | 67% |
| 16-30 min | 14 | 9% |
| 31-60 min | 21 | 14% |
| 61-120 min | 10 | 7% |
| 2+ hrs | 4 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 25 | 72% | +17 min |
| 2025-08 | 10 | 70% | +2 min |
| 2026-03 | 23 | 52% | +26 min |
| 2026-04 | 30 | 77% | +9 min |
| 2026-05 | 31 | 65% | +11 min |
| 2026-06 | 30 | 67% | +34 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 20 | 60% |
| Tue | 22 | 68% |
| Wed | 21 | 76% |
| Thu | 21 | 76% |
| Fri | 21 | 62% |
| Sat | 21 | 67% |
| Sun | 23 | 61% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…