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Flight Reliability

AA 5143 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 5143 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

77%
Arrive within 15 minutes
14 min
Average arrival delay
3.4%
Cancelled
6 min early
Median arrival delay

Based on 413 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(54 flights)
  • Tue80%(59 flights)
  • Wed82%(62 flights)
  • Thu75%(57 flights)
  • Fri72%(60 flights)
  • Sat72%(50 flights)
  • Sun77%(57 flights)
On-time by departure window
  • 6–9 AM—(7 flights)
  • 9 AM–12 PM91%(93 flights)
  • 12–3 PM74%(88 flights)
  • 3–6 PM71%(127 flights)
  • 6–9 PM71%(84 flights)
On-time trend by month
91%
May

Jun 56% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202556%25
July 202553%30
August 202568%31
September 2025100%10
October 202587%52
November 202570%27
December 202543%21
February 202681%32
March 202679%56
April 202687%54
May 202691%56
Departures on time
75%
Diverted
0%
Flights flown
399
Months covered
12

Keep nerding

Based on 413 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.