Route Reliability
Boston → Key West
BOS–EYW · 1,373 miles · Boston Logan International Airport to Key West International Airport
- 73%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 1.8%
- Cancelled
- 221
- Flights in the data
Data through May 2026.
Airlines on this route
- JetBlue Airways76% on time · 183 flights
- American Airlines61% on time · 38 flights
Too little history on this route to call a winner. We rank airlines only after 100 flights each.
What the data says
The 6–9 AM departure wins.
BOS–EYW flights departing between 6–9 AM arrived on time 76% of the time, versus 55% between 9 AM–12 PM.
Sunday scaries are real for this one.
BOS–EYW flights arrived on time 86% of the time on Wednesdays and just 65% on Sundays. That gap is worth planning around.
Trending in the right direction.
BOS–EYW flights arrived on time 81% of the time over the last three months in the data, compared with 65% in the three months before that.
Flights on this route
The breakdown
- Mon76%(29 flights)
- Tue71%(21 flights)
- Wed86%(21 flights)
- Thu76%(29 flights)
- Fri73%(33 flights)
- Sat70%(47 flights)
- Sun65%(34 flights)
- 6–9 AM76%(183 flights)
- 9 AM–12 PM55%(31 flights)
Oct 87% → Apr 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| October 2025 | 87% | 15 |
| November 2025 | 74% | 23 |
| December 2025 | 64% | 39 |
| January 2026 | 56% | 39 |
| February 2026 | 70% | 33 |
| March 2026 | 85% | 34 |
| April 2026 | 87% | 31 |
Keep nerding
Based on 221 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.