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Flight Reliability

AA 3903 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3903 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

85%
Arrive within 15 minutes
2 min
Average arrival delay
4.6%
Cancelled
5 min early
Median arrival delay

Based on 390 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon89%(52 flights)
  • Tue84%(63 flights)
  • Wed88%(50 flights)
  • Thu93%(53 flights)
  • Fri85%(47 flights)
  • Sat81%(59 flights)
  • Sun78%(45 flights)
On-time by departure window
  • 3–6 AM—(5 flights)
  • 6–9 AM91%(58 flights)
  • 9 AM–12 PM86%(206 flights)
  • 12–3 PM87%(52 flights)
  • 3–6 PM83%(29 flights)
  • 6–9 PM55%(11 flights)
  • 9 PM–12 AM—(8 flights)
On-time trend by month
74%
May

Jun 77% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202572%29
August 202587%31
September 202596%28
October 202590%52
November 202589%46
December 202590%31
January 2026100%29
February 202662%13
April 202689%37
May 202674%39
Departures on time
89%
Diverted
0.8%
Flights flown
369
Months covered
12

Keep nerding

Based on 390 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.