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WanderNerd

Flight Reliability

AA 4171 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4171 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
7 min
Average arrival delay
1.5%
Cancelled
4 min early
Median arrival delay

Based on 403 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(63 flights)
  • Tue77%(30 flights)
  • Wed80%(51 flights)
  • Thu84%(70 flights)
  • Fri84%(63 flights)
  • Sat69%(52 flights)
  • Sun71%(68 flights)
On-time by departure window
  • 6–9 AM93%(88 flights)
  • 9 AM–12 PM80%(10 flights)
  • 12–3 PM70%(108 flights)
  • 3–6 PM84%(69 flights)
  • 6–9 PM66%(122 flights)
On-time trend by month
87%
May

Jun 64% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%25
July 202558%31
August 202545%20
September 202580%40
October 202555%29
November 202582%17
December 202593%29
January 202669%29
February 202693%27
March 202677%44
April 202690%52
May 202687%54
Departures on time
79%
Diverted
0%
Flights flown
397
Months covered
12

Based on 403 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.