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Flight Reliability

AA 4979 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4979 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

74%
Arrive within 15 minutes
21 min
Average arrival delay
1.3%
Cancelled
5 min early
Median arrival delay

Based on 469 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(71 flights)
  • Tue85%(59 flights)
  • Wed70%(54 flights)
  • Thu76%(70 flights)
  • Fri74%(72 flights)
  • Sat81%(59 flights)
  • Sun63%(76 flights)
On-time by departure window
  • 6–9 AM78%(18 flights)
  • 9 AM–12 PM84%(43 flights)
  • 12–3 PM75%(92 flights)
  • 3–6 PM75%(237 flights)
  • 6–9 PM56%(16 flights)
  • 9 PM–12 AM69%(55 flights)
On-time trend by month
71%
May

Jun 61% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%28
July 202576%29
August 202587%30
September 202581%32
October 202557%56
November 202579%57
December 202588%59
January 202668%47
February 202658%31
March 202684%31
April 202683%30
May 202671%31
Departures on time
73%
Diverted
0.4%
Flights flown
461
Months covered
12

Keep nerding

Based on 469 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.