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WanderNerd

Flight Reliability

AA 4573 · American Airlines

New York → Raleigh–Durham (JFKRDU)89% of its flights flew this route. The rest (LGA–IND, ORD–IAH) are included in these numbers.

44
Bring Snacks
WanderNerd Reliability Score
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

On-time by weekday
  • Mon84%(45 flights)
  • Tue75%(48 flights)
  • Wed73%(48 flights)
  • Thu73%(45 flights)
  • Fri79%(48 flights)
  • Sat69%(42 flights)
  • Sun64%(45 flights)
On-time by departure window
  • 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)
On-time trend by month
89%
May

Jun 65% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%23
July 202557%21
August 202587%30
September 202570%30
October 202569%29
November 202585%27
December 202560%25
January 202667%27
February 202680%25
March 202670%30
April 202685%27
May 202689%27
Departures on time
76%
Diverted
0%
Flights flown
321
Months covered
12

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.