Best Time to Fly BOS to EYW: On-Time Stats by Hour & Airline
Logan International → Key West International
Data through July 2026 · Last updated October 18, 2026
221 flights were scheduled from Boston (BOS) to Key West (EYW) in the last 12 months, and 72.9% of those that flew arrived on time, 4.7 points below the US average of 77.6%.
JetBlue was the most punctual of the 2 airlines on the route at 75.6%, while Republic Airways trailed at 56.7%.
April has been the best month (89% on time) and Saturday the weakest day of the week (67%).
1.8% of flights were cancelled, versus 1.8% nationally.
BOS to EYW 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 | 75.6% | 69 min | 2.2% | 183 |
| Republic Airways | 56.7% | 76 min | 0.0% | 30 |
| Envoy Air | Limited data | 8 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BOS to EYW
On-time arrival % by scheduled departure hour (local time), 421 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 76.2% | 1.7% | 356 |
| 9am–10am | Limited data | 21 | |
| 10am–11am | 56.7% | 0.0% | 30 |
| 11am–12pm | Limited data | 4 | |
| 12pm–1pm | Limited data | 2 | |
| 1pm–2pm | Limited data | 8 | |
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 EYW
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) | 48.1% | -27.7 pts | 1.8% | 55 |
| All other days | 75.9% | — | 1.7% | 355 |
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).