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Flight Reliability

AA 5166 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 5166 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

75%
Arrive within 15 minutes
12 min
Average arrival delay
4.0%
Cancelled
6 min early
Median arrival delay

Based on 544 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(75 flights)
  • Tue76%(76 flights)
  • Wed58%(72 flights)
  • Thu72%(76 flights)
  • Fri82%(76 flights)
  • Sat78%(67 flights)
  • Sun81%(79 flights)
On-time by departure window
  • 6–9 AM85%(93 flights)
  • 9 AM–12 PM79%(177 flights)
  • 12–3 PM66%(107 flights)
  • 3–6 PM73%(82 flights)
  • 6–9 PM69%(62 flights)
On-time trend by month
77%
May

Jun 87% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%47
July 202575%56
August 202594%32
September 202595%58
October 202578%59
November 202555%51
December 202552%50
January 202690%10
February 202683%18
March 202662%29
April 202673%51
May 202677%60
Departures on time
76%
Diverted
0.2%
Flights flown
521
Months covered
12

Keep nerding

Based on 544 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.