Flight Reliability
AA 309 · American Airlines
Miami → Nashville (MIA–BNA)98% of its flights flew this route. The rest (DFW–PBI) are included in these numbers.
- 56%
- Arrive within 15 minutes
- 40 min
- Average arrival delay
- 0%
- Cancelled
- 10 min
- Median arrival delay
Based on 123 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
AA 309 departing between 6–9 PM arrived on time 77% of the time, versus 47% between 3–6 PM.
Friday is doing you no favors.
AA 309 arrived on time 71% of the time on Tuesdays and just 35% on Fridays. That gap is worth planning around.
Well behind the MIA–BNA route.
AA 309 arrived on time 56% of the time, versus 73% across the MIA–BNA route.
Well behind the American Airlines network.
AA 309 arrived on time 56% of the time, versus 77% across the American Airlines network.
The breakdown
- Mon56%(18 flights)
- Tue71%(17 flights)
- Wed65%(17 flights)
- Thu47%(17 flights)
- Fri35%(17 flights)
- Sat68%(19 flights)
- Sun47%(17 flights)
- 9 AM–12 PM—(2 flights)
- 3–6 PM47%(89 flights)
- 6–9 PM77%(31 flights)
Jun 55% → Oct 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 55% | 29 |
| July 2025 | 45% | 31 |
| August 2025 | 42% | 31 |
| October 2025 | 77% | 26 |
- Departures on time
- 68%
- Diverted
- 0.8%
- Flights flown
- 122
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 123 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.