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WanderNerd

Flight Reliability

AA 1803 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1803 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

66%
Arrive within 15 minutes
30 min
Average arrival delay
3.3%
Cancelled
0 min
Median arrival delay

Based on 421 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(58 flights)
  • Tue82%(56 flights)
  • Wed73%(55 flights)
  • Thu56%(64 flights)
  • Fri71%(58 flights)
  • Sat63%(54 flights)
  • Sun49%(61 flights)
On-time by departure window
  • 6–9 AM81%(43 flights)
  • 12–3 PM55%(11 flights)
  • 3–6 PM53%(95 flights)
  • 6–9 PM69%(248 flights)
  • 9 PM–12 AM(9 flights)
On-time trend by month
73%
May

Jun 50% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%52
July 202555%56
August 202531%16
September 202548%56
October 202587%23
November 202589%28
December 202581%31
January 202677%26
February 202689%28
March 202673%30
April 202670%30
May 202673%30
Departures on time
62%
Diverted
0.2%
Flights flown
406
Months covered
12

Based on 421 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.