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Flight Reliability

AA 646 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 646 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

80%
Arrive within 15 minutes
6 min
Average arrival delay
0.5%
Cancelled
8 min early
Median arrival delay

Based on 211 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(29 flights)
  • Tue79%(29 flights)
  • Wed90%(30 flights)
  • Thu67%(30 flights)
  • Fri83%(30 flights)
  • Sat83%(30 flights)
  • Sun77%(31 flights)
On-time by departure window
  • 9 AM–12 PM82%(115 flights)
  • 12–3 PM96%(24 flights)
  • 3–6 PM80%(20 flights)
  • 6–9 PM70%(50 flights)
On-time trend by month
91%
May

Jun 87% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202570%30
August 202581%31
September 202593%29
October 202571%31
December 202553%17
February 2026100%17
May 202691%11
Departures on time
79%
Diverted
0.5%
Flights flown
209
Months covered
10

Keep nerding

Based on 211 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.