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Flight Reliability

AA 4891 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4891 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

73%
Arrive within 15 minutes
22 min
Average arrival delay
2.3%
Cancelled
5 min early
Median arrival delay

Based on 522 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(77 flights)
  • Tue80%(79 flights)
  • Wed82%(66 flights)
  • Thu70%(79 flights)
  • Fri69%(71 flights)
  • Sat54%(63 flights)
  • Sun75%(67 flights)
On-time by departure window
  • 6–9 AM85%(47 flights)
  • 9 AM–12 PM80%(100 flights)
  • 12–3 PM73%(251 flights)
  • 3–6 PM70%(59 flights)
  • 6–9 PM50%(20 flights)
  • 9 PM–12 AM44%(25 flights)
On-time trend by month
80%
May

Jun 68% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%53
July 202576%58
August 202574%62
September 202589%45
October 202586%55
November 202553%19
December 202541%29
January 202650%28
February 202655%29
March 202670%23
April 202684%50
May 202680%51
Departures on time
70%
Diverted
1.5%
Flights flown
502
Months covered
12

Keep nerding

Based on 522 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.