Flight OddsBOS → DTW Delta Air Lines
Delta Air Lines · Boston, MA to Detroit, MI · 1,713 flights, 2025-07-01 to 2026-06-30 · aggregated across 12 flight numbers
On-time arrival
80%
Median delay
-9 min
90th percentile
+47 min
Cancellation rate
2%
How on-time is Delta Air Lines from BOS to DTW?
Across every Delta Air Lines flight number on BOS → DTW (1,713 flights, 2025-07-01 to 2026-06-30), 80% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +47 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,338 | 80% |
| 16-30 min | 108 | 6% |
| 31-60 min | 92 | 5% |
| 61-120 min | 81 | 5% |
| 2+ hrs | 56 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 143 | 73% | +15 min |
| 2025-08 | 142 | 88% | -7 min |
| 2025-09 | 138 | 87% | +0 min |
| 2025-10 | 146 | 79% | +2 min |
| 2025-11 | 135 | 82% | +3 min |
| 2025-12 | 148 | 66% | +18 min |
| 2026-01 | 124 | 77% | +22 min |
| 2026-02 | 117 | 85% | -5 min |
| 2026-03 | 149 | 83% | +8 min |
| 2026-04 | 146 | 81% | +1 min |
| 2026-05 | 148 | 82% | +6 min |
| 2026-06 | 139 | 77% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 239 | 78% |
| Tue | 243 | 82% |
| Wed | 243 | 81% |
| Thu | 249 | 80% |
| Fri | 247 | 78% |
| Sat | 212 | 84% |
| Sun | 242 | 76% |
DL flight numbers on BOS → DTW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…