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Flight Reliability

AA 4379 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4379 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
5 min
Average arrival delay
1.4%
Cancelled
9 min early
Median arrival delay

Based on 352 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(45 flights)
  • Tue87%(52 flights)
  • Wed81%(53 flights)
  • Thu81%(47 flights)
  • Fri77%(48 flights)
  • Sat80%(51 flights)
  • Sun71%(49 flights)
On-time by departure window
  • 6–9 AM90%(39 flights)
  • 9 AM–12 PM82%(54 flights)
  • 12–3 PM78%(165 flights)
  • 3–6 PM79%(70 flights)
  • 6–9 PM65%(17 flights)
On-time trend by month
87%
May

Jun 69% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%29
July 202571%31
August 202590%31
September 202592%25
October 202562%29
November 202583%12
December 202569%32
January 202688%24
February 202692%24
March 202673%30
April 202679%33
May 202687%45
Departures on time
82%
Diverted
0.6%
Flights flown
345
Months covered
12

Keep nerding

Based on 352 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.