Best Time to Fly BOS to DTW: On-Time Stats by Hour & Airline
Logan International → Detroit Metro Wayne County
Data through July 2026 · Last updated October 18, 2026
2,583 flights were scheduled from Boston (BOS) to Detroit (DTW) in the last 12 months, and 77.2% of those that flew arrived on time, in line with the US average of 77.6%.
Spirit Airlines was the most punctual of the 3 airlines on the route at 85.1%, while JetBlue trailed at 71.2%.
March has been the best month (84% on time) and Sunday the weakest day of the week (73%).
2.4% of flights were cancelled, versus 1.8% nationally.
BOS to DTW on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlines | 85.1% | 62 min | 0.0% | 134 |
| Delta Air Lines | 79.1% | 75 min | 2.2% | 1,713 |
| JetBlue | 71.2% | 75 min | 3.4% | 734 |
| Republic Airways | Limited data | 2 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BOS to DTW
On-time arrival % by scheduled departure hour (local time), 5,398 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 94.7% | 1.7% | 762 |
| 6am–7am | 92.8% | 3.8% | 158 |
| 7am–8am | 89.3% | 0.0% | 131 |
| 8am–9am | 87.9% | 1.7% | 177 |
| 9am–10am | 88.5% | 1.3% | 876 |
| 10am–11am | 68.6% | 0.0% | 35 |
| 11am–12pm | 77.4% | 2.3% | 86 |
| 12pm–1pm | 80.1% | 2.4% | 165 |
| 1pm–2pm | 82.1% | 0.7% | 619 |
| 2pm–3pm | 74.2% | 0.6% | 179 |
| 3pm–4pm | 69.5% | 3.5% | 170 |
| 4pm–5pm | 66.3% | 2.3% | 472 |
| 5pm–6pm | 67.8% | 1.4% | 576 |
| 6pm–7pm | 65.6% | 1.6% | 62 |
| 7pm–8pm | 70.1% | 0.3% | 289 |
| 8pm–9pm | 56.5% | 2.8% | 459 |
| 9pm–10pm | 52.9% | 2.2% | 139 |
| 10pm–11pm | 62.2% | 5.1% | 39 |
| 11pm–12am | Limited data | 4 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BOS to DTW
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 75.2% | -5.6 pts | 0.0% | 117 |
| Christmas & New Year (Dec 20 - Jan 3) | 69.2% | -11.6 pts | 3.0% | 201 |
| Summer peak (Jun 15 - Aug 15) | 68.0% | -12.8 pts | 3.7% | 989 |
| All other days | 80.8% | — | 1.1% | 4,091 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).