Flight Reliability
AA 320 · American Airlines
New York → Miami (JFK–MIA)85% of its flights flew this route. The rest (PHL–PDX, DFW–LAS) are included in these numbers.
- 73%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 1.9%
- Cancelled
- 4 min early
- Median arrival delay
Based on 155 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
AA 320 departing between 3–6 PM arrived on time 85% of the time, versus 20% between 6–9 PM.
Sunday scaries are real for this one.
AA 320 arrived on time 91% of the time on Tuesdays and just 61% on Sundays. That gap is worth planning around.
A bit behind the JFK–MIA route.
AA 320 arrived on time 73% of the time, versus 76% across the JFK–MIA route.
A bit behind the American Airlines network.
AA 320 arrived on time 73% of the time, versus 77% across the American Airlines network.
The breakdown
- Mon75%(20 flights)
- Tue91%(21 flights)
- Wed77%(22 flights)
- Thu70%(20 flights)
- Fri76%(21 flights)
- Sat63%(24 flights)
- Sun61%(23 flights)
- 9 AM–12 PM85%(13 flights)
- 12–3 PM73%(101 flights)
- 3–6 PM85%(27 flights)
- 6–9 PM20%(10 flights)
Aug 72% → Dec 63% on time
| Month | On-time percentage | Flights |
|---|---|---|
| August 2025 | 72% | 25 |
| September 2025 | 83% | 29 |
| October 2025 | 62% | 29 |
| November 2025 | 82% | 28 |
| December 2025 | 63% | 24 |
- Departures on time
- 82%
- Diverted
- 0.6%
- Flights flown
- 151
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 155 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.