Best Time to Fly MKE to BOS: On-Time Stats by Hour & Airline
General Mitchell International → Logan International
Data through July 2026 · Last updated October 18, 2026
740 flights were scheduled from Milwaukee (MKE) to Boston (BOS) in the last 12 months, and 72.1% of those that flew arrived on time, 5.6 points below the US average of 77.6%.
Republic Airways was the most punctual of the 2 airlines on the route at 73.8%, while JetBlue trailed at 68.6%.
March has been the best month (93% on time) and Thursday the weakest day of the week (69%).
3.1% of flights were cancelled, versus 1.8% nationally.
MKE to BOS 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 |
|---|---|---|---|---|
| Republic Airways | 73.8% | 64 min | 4.0% | 545 |
| JetBlue | 68.6% | 59 min | 0.0% | 172 |
| Delta Air Lines | Limited data | 23 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MKE to BOS
On-time arrival % by scheduled departure hour (local time), 1,497 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 82.3% | 6.3% | 127 |
| 8am–9am | Limited data | 21 | |
| 9am–10am | 85.6% | 0.0% | 90 |
| 10am–11am | Limited data | 5 | |
| 11am–12pm | 73.3% | 0.9% | 423 |
| 12pm–1pm | 89.7% | 1.4% | 69 |
| 1pm–2pm | 73.7% | 1.3% | 77 |
| 2pm–3pm | 76.2% | 0.0% | 42 |
| 3pm–4pm | Limited data | 6 | |
| 4pm–5pm | 55.4% | 0.5% | 224 |
| 5pm–6pm | Limited data | 16 | |
| 6pm–7pm | 78.3% | 6.2% | 113 |
| 7pm–8pm | 73.4% | 3.2% | 284 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MKE to BOS
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) | Limited data | 24 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 83.3% | +8.9 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 69.4% | -5.0 pts | 2.3% | 343 |
| All other days | 74.4% | — | 2.0% | 1,100 |
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).