Best Time to Fly EYW to BOS: On-Time Stats by Hour & Airline
Key West International → Logan International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 70.5% of Key West (EYW) to Boston (BOS) flights arrived on time (220 scheduled flights). That is 7.1 points below the national average of 77.6%.
JetBlue was the only reporting airline with regular flights on this route.
April has been the best month (76% on time) and Monday the weakest day of the week (64%).
2.7% of flights were cancelled, versus 1.8% nationally.
EYW 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 |
|---|---|---|---|---|
| JetBlue | 75.4% | 80 min | 2.8% | 182 |
| Republic Airways | Limited data | 30 | ||
| Envoy Air | Limited data | 8 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly EYW to BOS
On-time arrival % by scheduled departure hour (local time), 420 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12pm–1pm | 73.6% | 2.5% | 196 |
| 1pm–2pm | 71.1% | 1.7% | 178 |
| 2pm–3pm | Limited data | 13 | |
| 3pm–4pm | Limited data | 22 | |
| 4pm–5pm | Limited data | 3 | |
| 5pm–6pm | Limited data | 7 | |
| 6pm–7pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on EYW 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 | 11 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 46.3% | -26.3 pts | 1.8% | 55 |
| All other days | 72.6% | — | 2.5% | 354 |
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).