Route Reliability
ACK → Boston
ACK–BOS · 91 miles · ACK Airport to Boston Logan International Airport
- 69%
- Arrive within 15 minutes
- 16 min
- Average arrival delay
- 1.8%
- Cancelled
- 225
- Flights in the data
Data through May 2026.
JetBlue Airways is the only airline in this data on this route, arriving on time 69% of the time across 225 flights. No comparison to make.
What the data says
Morning flights do better here.
ACK–BOS flights departing between 9 AM–12 PM arrived on time 79% of the time, versus 69% between 3–6 PM.
Sunday scaries are real for this one.
ACK–BOS flights arrived on time 90% of the time on Saturdays and just 62% on Sundays. That gap is worth planning around.
Recent months have been rougher.
ACK–BOS flights arrived on time 60% of the time over the last three months in the data, compared with 76% in the three months before that.
Flights on this route
The breakdown
- Mon63%(32 flights)
- Tue68%(31 flights)
- Wed64%(28 flights)
- Thu73%(33 flights)
- Fri66%(32 flights)
- Sat90%(31 flights)
- Sun62%(34 flights)
- 9 AM–12 PM79%(28 flights)
- 12–3 PM—(6 flights)
- 3–6 PM69%(182 flights)
- 6–9 PM—(5 flights)
Jun 79% → May 85% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 79% | 34 |
| July 2025 | 64% | 61 |
| August 2025 | 86% | 62 |
| September 2025 | 38% | 32 |
| October 2025 | 58% | 19 |
| May 2026 | 85% | 13 |
Keep nerding
Based on 225 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.