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Flight Reliability

AA 4905 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4905 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

79%
Arrive within 15 minutes
16 min
Average arrival delay
1.8%
Cancelled
11 min early
Median arrival delay

Based on 332 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(48 flights)
  • Tue79%(47 flights)
  • Wed81%(47 flights)
  • Thu88%(48 flights)
  • Fri85%(46 flights)
  • Sat83%(42 flights)
  • Sun70%(47 flights)
On-time by departure window
  • 6–9 AM93%(80 flights)
  • 9 AM–12 PM73%(11 flights)
  • 12–3 PM63%(30 flights)
  • 6–9 PM76%(203 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
87%
May

Jun 87% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202580%30
August 202581%31
September 202573%30
October 202548%27
November 202589%27
December 202569%13
January 202660%20
February 202684%25
March 202697%31
April 202677%30
May 202687%31
Departures on time
80%
Diverted
0.3%
Flights flown
325
Months covered
12

Keep nerding

Based on 332 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.