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Flight Reliability

AA 4400 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4400 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

77%
Arrive within 15 minutes
8 min
Average arrival delay
3.1%
Cancelled
4 min early
Median arrival delay

Based on 421 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(59 flights)
  • Tue75%(59 flights)
  • Wed82%(56 flights)
  • Thu74%(58 flights)
  • Fri83%(60 flights)
  • Sat77%(56 flights)
  • Sun78%(59 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM84%(49 flights)
  • 9 AM–12 PM81%(176 flights)
  • 12–3 PM75%(132 flights)
  • 3–6 PM—(4 flights)
  • 6–9 PM60%(45 flights)
On-time trend by month
97%
May

Jun 71% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%56
July 202575%60
August 202597%36
September 202589%26
October 202556%55
November 202590%30
December 202556%41
January 202679%28
February 202679%24
March 202680%10
May 202697%39
Departures on time
83%
Diverted
0.2%
Flights flown
407
Months covered
12

Keep nerding

Based on 421 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.