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Flight Reliability

AA 1203 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1203 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

82%
Arrive within 15 minutes
6 min
Average arrival delay
2.1%
Cancelled
7 min early
Median arrival delay

Based on 664 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon66%(90 flights)
  • Tue81%(88 flights)
  • Wed87%(93 flights)
  • Thu93%(99 flights)
  • Fri79%(93 flights)
  • Sat84%(88 flights)
  • Sun82%(99 flights)
On-time by departure window
  • 6–9 AM90%(49 flights)
  • 9 AM–12 PM87%(354 flights)
  • 12–3 PM74%(199 flights)
  • 3–6 PM69%(48 flights)
On-time trend by month
72%
May

Jun 97% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%60
July 202597%62
August 202579%62
September 2025100%18
October 202583%57
November 202595%59
December 202572%60
January 202678%55
February 202676%54
March 202687%60
April 202654%56
May 202672%47
Departures on time
80%
Diverted
0%
Flights flown
650
Months covered
12

Keep nerding

Based on 664 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.