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Flight Reliability

AA 4380 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4380 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

71%
Arrive within 15 minutes
10 min
Average arrival delay
3.4%
Cancelled
4 min early
Median arrival delay

Based on 387 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon60%(52 flights)
  • Tue74%(62 flights)
  • Wed71%(61 flights)
  • Thu83%(52 flights)
  • Fri80%(54 flights)
  • Sat69%(42 flights)
  • Sun62%(50 flights)
On-time by departure window
  • 6–9 AM67%(48 flights)
  • 9 AM–12 PM78%(147 flights)
  • 12–3 PM64%(75 flights)
  • 3–6 PM70%(91 flights)
  • 6–9 PM—(8 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
74%
May

Jun 58% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%33
July 202561%31
August 202573%30
October 202568%25
November 202559%29
December 202567%33
January 202685%47
February 202678%32
March 202676%37
April 202677%31
May 202674%42
Departures on time
80%
Diverted
0.3%
Flights flown
373
Months covered
12

Keep nerding

Based on 387 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.