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Flight Reliability

AA 4388 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4388 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
12 min
Average arrival delay
3.0%
Cancelled
6 min early
Median arrival delay

Based on 430 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(60 flights)
  • Tue73%(63 flights)
  • Wed79%(61 flights)
  • Thu67%(60 flights)
  • Fri73%(63 flights)
  • Sat85%(52 flights)
  • Sun58%(57 flights)
On-time by departure window
  • 9 AM–12 PM75%(48 flights)
  • 12–3 PM77%(303 flights)
  • 3–6 PM60%(65 flights)
On-time trend by month
76%
May

Jun 57% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%28
July 202560%30
August 202577%31
September 202593%30
October 202582%56
November 202590%29
December 202562%29
January 202672%29
February 202676%25
March 202666%29
April 202669%51
May 202676%49
Departures on time
78%
Diverted
0.2%
Flights flown
416
Months covered
12

Keep nerding

Based on 430 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.