Skip to content
WanderNerd

Flight Reliability

AA 6519 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 6519 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

74%
Arrive within 15 minutes
19 min
Average arrival delay
6.1%
Cancelled
7 min early
Median arrival delay

Based on 358 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(60 flights)
  • Tue77%(30 flights)
  • Wed78%(37 flights)
  • Thu71%(55 flights)
  • Fri71%(45 flights)
  • Sat67%(51 flights)
  • Sun66%(56 flights)
On-time by departure window
  • 3–6 AM72%(29 flights)
  • 6–9 AM57%(14 flights)
  • 12–3 PM77%(103 flights)
  • 3–6 PM73%(81 flights)
  • 6–9 PM74%(80 flights)
  • 9 PM–12 AM74%(27 flights)
On-time trend by month
90%
Apr

Jun 74% → Apr 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%34
July 202568%31
August 202577%30
September 202587%15
October 202585%27
November 202575%28
December 202556%34
January 202677%44
February 202667%39
March 202676%42
April 202690%10
Departures on time
76%
Diverted
0.6%
Flights flown
334
Months covered
11

Based on 358 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.