Route Reliability
Washington → ACK
DCA–ACK · 405 miles · Ronald Reagan Washington National Airport to ACK Airport
- 80%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 3.9%
- Cancelled
- 282
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines83%162 flights
- 2.JetBlue Airways76%120 flights
What the data says
Morning flights do better here.
DCA–ACK flights departing between 9 AM–12 PM arrived on time 88% of the time, versus 76% between 3–6 PM.
Monday is the weak spot.
DCA–ACK flights arrived on time 85% of the time on Wednesdays. On Mondays: 76%.
American Airlines runs this route best.
American Airlines arrived on time 83% of the time on this route; JetBlue Airways managed 76%.
Keep a backup plan handy.
This route was cancelled 3.9% of the time. Typical for U.S. flights is around 1–2%.
Flights on this route
The breakdown
- Mon76%(38 flights)
- Tue82%(34 flights)
- Wed85%(33 flights)
- Thu78%(37 flights)
- Fri77%(39 flights)
- Sat84%(50 flights)
- Sun78%(37 flights)
- 9 AM–12 PM88%(75 flights)
- 12–3 PM80%(49 flights)
- 3–6 PM76%(144 flights)
Jun 88% → Sep 62% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 88% | 41 |
| July 2025 | 75% | 87 |
| August 2025 | 90% | 97 |
| September 2025 | 62% | 34 |
Keep nerding
Based on 282 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.