Flight OddsDL866 DTW → MIA
Delta Air Lines · Detroit, MI to Miami, FL · 234 flights observed, 2025-07-01 to 2026-06-30 · 1,145 mi
DL866 covers more than one route in the data window — the stats below are for DTW → MIA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-6 min
90th percentile
+41 min
Cancellation rate
1%
How often is DL866 on time?
Across 234 flights on DTW → MIA from 2025-07-01 to 2026-06-30, DL866 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +41 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 | 177 | 77% |
| 16-30 min | 20 | 9% |
| 31-60 min | 17 | 7% |
| 61-120 min | 12 | 5% |
| 2+ hrs | 4 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 90% | +6 min |
| 2025-08 | 10 | 90% | +1 min |
| 2025-12 | 12 | 50% | +12 min |
| 2026-01 | 30 | 53% | +19 min |
| 2026-02 | 28 | 96% | -10 min |
| 2026-03 | 30 | 70% | +3 min |
| 2026-04 | 29 | 79% | +5 min |
| 2026-05 | 31 | 77% | +2 min |
| 2026-06 | 30 | 80% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 32 | 84% |
| Tue | 32 | 84% |
| Wed | 33 | 70% |
| Thu | 33 | 73% |
| Fri | 33 | 79% |
| Sat | 34 | 74% |
| Sun | 33 | 76% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…