Best Time to Fly CLE to BOS: On-Time Stats by Hour & Airline
Cleveland-Hopkins International → Logan International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 79.0% of Cleveland (CLE) to Boston (BOS) flights arrived on time (1,650 scheduled flights). That is 1.4 points above the national average of 77.6%.
Frontier Airlines was the most punctual of the 3 airlines on the route at 89.6%, while JetBlue trailed at 71.4%.
April has been the best month (92% on time) and Thursday the weakest day of the week (78%).
2.9% of flights were cancelled, versus 1.8% nationally.
CLE 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 |
|---|---|---|---|---|
| Frontier Airlines | 89.6% | 47 min | 2.5% | 79 |
| Republic Airways | 84.0% | 73 min | 2.5% | 876 |
| JetBlue | 71.4% | 77 min | 3.3% | 695 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CLE to BOS
On-time arrival % by scheduled departure hour (local time), 3,340 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 21 | |
| 6am–7am | 91.3% | 1.3% | 895 |
| 7am–8am | 84.8% | 1.3% | 233 |
| 8am–9am | Limited data | 21 | |
| 9am–10am | 75.3% | 1.9% | 161 |
| 10am–11am | 89.6% | 3.2% | 188 |
| 11am–12pm | 88.8% | 0.8% | 531 |
| 12pm–1pm | 80.1% | 1.0% | 198 |
| 1pm–2pm | 74.5% | 7.3% | 55 |
| 2pm–3pm | 75.5% | 1.8% | 166 |
| 3pm–4pm | 73.7% | 3.4% | 118 |
| 4pm–5pm | 53.0% | 3.6% | 138 |
| 5pm–6pm | 68.1% | 2.8% | 390 |
| 6pm–7pm | 76.8% | 0.0% | 69 |
| 7pm–8pm | 72.3% | 2.4% | 85 |
| 8pm–9pm | 54.0% | 6.0% | 67 |
| 9pm–10pm | 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 CLE 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) | 76.3% | -6.4 pts | 0.0% | 76 |
| Christmas & New Year (Dec 20 - Jan 3) | 67.3% | -15.4 pts | 5.5% | 110 |
| Summer peak (Jun 15 - Aug 15) | 78.7% | -4.0 pts | 4.1% | 656 |
| All other days | 82.7% | — | 1.2% | 2,498 |
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).