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Flight Reliability

AA 5639 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 5639 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

69%
Arrive within 15 minutes
20 min
Average arrival delay
5.6%
Cancelled
2 min early
Median arrival delay

Based on 356 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(48 flights)
  • Tue74%(50 flights)
  • Wed74%(58 flights)
  • Thu56%(45 flights)
  • Fri80%(44 flights)
  • Sat66%(38 flights)
  • Sun64%(50 flights)
On-time by departure window
  • 9 AM–12 PM73%(90 flights)
  • 12–3 PM70%(99 flights)
  • 3–6 PM68%(69 flights)
  • 6–9 PM63%(75 flights)
On-time trend by month
79%
May

Jun 69% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%29
July 202558%24
August 202570%30
November 202567%52
December 202558%31
February 202679%19
March 202663%30
April 202669%52
May 202679%58
Departures on time
69%
Diverted
0.8%
Flights flown
333
Months covered
11

Keep nerding

Based on 356 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.