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Flight Reliability

AA 543 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 543 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
9 min
Average arrival delay
1.4%
Cancelled
2 min early
Median arrival delay

Based on 279 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(39 flights)
  • Tue87%(37 flights)
  • Wed73%(40 flights)
  • Thu82%(39 flights)
  • Fri72%(39 flights)
  • Sat87%(39 flights)
  • Sun79%(42 flights)
On-time by departure window
  • 6–9 AM93%(40 flights)
  • 9 AM–12 PM91%(43 flights)
  • 12–3 PM72%(192 flights)
On-time trend by month
70%
May

Nov 71% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202571%58
December 202573%48
January 202676%53
February 202669%39
March 202695%55
April 2026100%12
May 202670%10
Departures on time
79%
Diverted
0%
Flights flown
275
Months covered
7

Keep nerding

Based on 279 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.