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Flight Reliability

AA 4584 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4584 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

78%
Arrive within 15 minutes
11 min
Average arrival delay
4.0%
Cancelled
5 min early
Median arrival delay

Based on 505 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(78 flights)
  • Tue77%(78 flights)
  • Wed81%(77 flights)
  • Thu83%(83 flights)
  • Fri71%(82 flights)
  • Sat78%(23 flights)
  • Sun75%(63 flights)
On-time by departure window
  • 6–9 AM88%(98 flights)
  • 9 AM–12 PM80%(332 flights)
  • 12–3 PM44%(23 flights)
  • 3–6 PM48%(23 flights)
  • 6–9 PM—(7 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
88%
May

Jun 67% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%39
July 202576%49
August 202596%46
September 202588%32
October 202579%58
November 202576%45
December 202559%34
January 202686%42
February 202658%50
March 202657%14
April 202693%41
May 202688%34
Departures on time
81%
Diverted
0.2%
Flights flown
484
Months covered
12

Keep nerding

Based on 505 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.