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Flight Reliability

AA 4904 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4904 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

75%
Arrive within 15 minutes
18 min
Average arrival delay
1.7%
Cancelled
8 min early
Median arrival delay

Based on 344 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(45 flights)
  • Tue71%(51 flights)
  • Wed78%(46 flights)
  • Thu74%(43 flights)
  • Fri84%(44 flights)
  • Sat74%(61 flights)
  • Sun75%(48 flights)
On-time by departure window
  • 3–6 AM91%(33 flights)
  • 6–9 AM79%(113 flights)
  • 9 AM–12 PM74%(97 flights)
  • 12–3 PM82%(45 flights)
  • 3–6 PM—(1 flights)
  • 6–9 PM51%(45 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
92%
May

Jun 67% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%12
August 202574%27
October 202574%27
November 202586%28
December 202592%26
January 202664%36
February 202655%11
March 202668%44
April 202673%60
May 202692%51
Departures on time
78%
Diverted
0%
Flights flown
338
Months covered
12

Keep nerding

Based on 344 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.