Route Reliability
New York → ACK
JFK–ACK · 199 miles · John F. Kennedy International Airport to ACK Airport
- 84%
- Arrive within 15 minutes
- 5 min early
- Average arrival delay
- 3.2%
- Cancelled
- 311
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines87%110 flights
- 2.JetBlue Airways83%201 flights
What the data says
Mornings have a slight edge.
Departures between 9 AM–12 PM arrived on time 88% of the time, against 82% between 12–3 PM.
Sunday scaries are real for this one.
JFK–ACK flights arrived on time 94% of the time on Fridays and just 72% on Sundays. That gap is worth planning around.
Delta Air Lines has a slight edge here.
Delta Air Lines arrived on time 87% of the time on this route; JetBlue Airways managed 83%.
Keep a backup plan handy.
This route was cancelled 3.2% of the time. Typical for U.S. flights is around 1–2%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon78%(45 flights)
- Tue90%(38 flights)
- Wed86%(36 flights)
- Thu84%(44 flights)
- Fri94%(46 flights)
- Sat89%(46 flights)
- Sun72%(46 flights)
- 9 AM–12 PM88%(112 flights)
- 12–3 PM82%(189 flights)
Jun 91% → May 69% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 91% | 65 |
| July 2025 | 77% | 86 |
| August 2025 | 92% | 85 |
| September 2025 | 85% | 39 |
| October 2025 | 69% | 13 |
| May 2026 | 69% | 13 |
Same trip, other airports
Keep nerding
Based on 311 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.