Flight Reliability
AA 4567 · American Airlines
Nashville → Raleigh–Durham (BNA–RDU)89% of its flights flew this route. The rest (BOS–LGA) are included in these numbers.
73
Usually Fine
WanderNerd Reliability Score
- 76%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 2.1%
- Cancelled
- 2 min early
- Median arrival delay
Based on 338 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
AA 4567 departing between 12–3 PM arrived on time 77% of the time, versus 66% between 9 AM–12 PM.
Sunday scaries are real for this one.
AA 4567 arrived on time 84% of the time on Wednesdays. On Sundays: 71%.
Trending in the right direction.
AA 4567 arrived on time 88% of the time over the last three months in the data, compared with 77% in the three months before that.
The breakdown
- Mon74%(49 flights)
- Tue73%(45 flights)
- Wed84%(50 flights)
- Thu76%(49 flights)
- Fri71%(49 flights)
- Sat82%(38 flights)
- Sun71%(49 flights)
- 6–9 AM—(1 flights)
- 9 AM–12 PM66%(47 flights)
- 12–3 PM77%(281 flights)
88%
May
Jun 60% → May 88% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 60% | 30 |
| July 2025 | 52% | 29 |
| August 2025 | 97% | 31 |
| September 2025 | 81% | 26 |
| October 2025 | 58% | 31 |
| November 2025 | 71% | 28 |
| December 2025 | 65% | 26 |
| January 2026 | 85% | 27 |
| February 2026 | 82% | 27 |
| March 2026 | 90% | 30 |
| April 2026 | 85% | 27 |
| May 2026 | 88% | 17 |
- Departures on time
- 83%
- Diverted
- 0.6%
- Flights flown
- 329
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 338 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.