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Flight Reliability

AA 4534 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4534 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

72%
Arrive within 15 minutes
13 min
Average arrival delay
9.3%
Cancelled
5 min early
Median arrival delay

Based on 578 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(84 flights)
  • Tue66%(85 flights)
  • Wed79%(82 flights)
  • Thu77%(79 flights)
  • Fri70%(83 flights)
  • Sat85%(34 flights)
  • Sun65%(76 flights)
On-time by departure window
  • 9 AM–12 PM77%(116 flights)
  • 12–3 PM72%(157 flights)
  • 3–6 PM71%(167 flights)
  • 6–9 PM62%(52 flights)
  • 9 PM–12 AM77%(31 flights)
On-time trend by month
82%
May

Jun 54% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%46
July 202558%40
August 202578%49
September 202584%55
October 202571%56
November 202570%50
December 202554%39
January 202685%39
February 202686%42
March 202665%43
April 202680%30
May 202682%34
Departures on time
76%
Diverted
0.2%
Flights flown
523
Months covered
12

Keep nerding

Based on 578 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.