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WanderNerd

Flight Reliability

AA 1820 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1820 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

76%
Arrive within 15 minutes
17 min
Average arrival delay
2.1%
Cancelled
5 min early
Median arrival delay

Based on 724 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(99 flights)
  • Tue74%(102 flights)
  • Wed81%(100 flights)
  • Thu72%(101 flights)
  • Fri73%(101 flights)
  • Sat75%(99 flights)
  • Sun78%(103 flights)
On-time by departure window
  • 6–9 AM85%(227 flights)
  • 9 AM–12 PM72%(425 flights)
  • 12–3 PM76%(53 flights)
On-time trend by month
82%
May

Jun 73% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%59
July 202562%60
August 202563%59
September 202575%57
October 202558%60
November 202582%56
December 202579%62
January 202691%54
February 202682%56
March 202694%62
April 202675%59
May 202682%61
Departures on time
73%
Diverted
0.6%
Flights flown
705
Months covered
12

Based on 724 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.