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Flight Reliability

AA 1643 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1643 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
5 min
Average arrival delay
0.7%
Cancelled
8 min early
Median arrival delay

Based on 411 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(62 flights)
  • Tue78%(46 flights)
  • Wed90%(58 flights)
  • Thu84%(62 flights)
  • Fri80%(56 flights)
  • Sat79%(58 flights)
  • Sun68%(65 flights)
On-time by departure window
  • 3–6 AM93%(14 flights)
  • 6–9 AM93%(80 flights)
  • 9 AM–12 PM82%(77 flights)
  • 12–3 PM69%(16 flights)
  • 3–6 PM77%(133 flights)
  • 6–9 PM72%(87 flights)
On-time trend by month
74%
May

Jun 58% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%24
July 202588%25
August 202596%28
September 202591%23
October 202589%27
November 202585%52
December 202563%32
January 202693%29
February 202688%43
March 202674%58
April 202666%35
May 202674%31
Departures on time
79%
Diverted
0.2%
Flights flown
407
Months covered
12

Keep nerding

Based on 411 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.