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Flight Reliability

AA 6121 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 6121 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

83%
Arrive within 15 minutes
2 min early
Average arrival delay
0.6%
Cancelled
9 min early
Median arrival delay

Based on 321 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(53 flights)
  • Tue91%(34 flights)
  • Wed93%(44 flights)
  • Thu78%(49 flights)
  • Fri87%(53 flights)
  • Sat87%(38 flights)
  • Sun81%(48 flights)
On-time by departure window
  • 6–9 AM88%(17 flights)
  • 9 AM–12 PM88%(103 flights)
  • 12–3 PM84%(83 flights)
  • 3–6 PM77%(35 flights)
  • 6–9 PM78%(81 flights)
On-time trend by month
79%
May

Sep 79% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
September 202579%29
October 202584%50
November 202591%21
December 202587%38
January 2026100%10
February 202653%17
March 202677%31
April 202694%54
May 202679%62
Departures on time
83%
Diverted
0%
Flights flown
319
Months covered
10

Keep nerding

Based on 321 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.