Flight Reliability
AA 4573 · American Airlines
New York → Raleigh–Durham (JFK–RDU)89% of its flights flew this route. The rest (LGA–IND, ORD–IAH) are included in these numbers.
- 74%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 9.3%
- Cancelled
- 5 min early
- Median arrival delay
Based on 354 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
AA 4573 departing between 3–6 PM arrived on time 95% of the time, versus 64% between 6–9 PM.
Sunday scaries are real for this one.
AA 4573 arrived on time 84% of the time on Mondays and just 64% on Sundays. That gap is worth planning around.
Keep a backup plan handy.
AA 4573 was cancelled 9.3% of the time. Typical for U.S. flights is around 1–2%.
Trending in the right direction.
AA 4573 arrived on time 81% of the time over the last three months in the data, compared with 69% in the three months before that.
The breakdown
- Mon84%(45 flights)
- Tue75%(48 flights)
- Wed73%(48 flights)
- Thu73%(45 flights)
- Fri79%(48 flights)
- Sat69%(42 flights)
- Sun64%(45 flights)
- 12–3 AM—(1 flights)
- 12–3 PM—(1 flights)
- 3–6 PM95%(37 flights)
- 6–9 PM64%(33 flights)
- 9 PM–12 AM73%(249 flights)
Jun 65% → May 89% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 65% | 23 |
| July 2025 | 57% | 21 |
| August 2025 | 87% | 30 |
| September 2025 | 70% | 30 |
| October 2025 | 69% | 29 |
| November 2025 | 85% | 27 |
| December 2025 | 60% | 25 |
| January 2026 | 67% | 27 |
| February 2026 | 80% | 25 |
| March 2026 | 70% | 30 |
| April 2026 | 85% | 27 |
| May 2026 | 89% | 27 |
- Departures on time
- 76%
- Diverted
- 0%
- Flights flown
- 321
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 354 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.