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Flight Reliability

AA 4427 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4427 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

66%
Arrive within 15 minutes
19 min
Average arrival delay
5.4%
Cancelled
0 min
Median arrival delay

Based on 295 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(40 flights)
  • Tue63%(40 flights)
  • Wed73%(37 flights)
  • Thu58%(40 flights)
  • Fri61%(44 flights)
  • Sat70%(30 flights)
  • Sun72%(46 flights)
On-time by departure window
  • 3–6 AM—(4 flights)
  • 6–9 AM86%(43 flights)
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM81%(21 flights)
  • 3–6 PM48%(65 flights)
  • 6–9 PM65%(143 flights)
On-time trend by month
83%
May

Jun 52% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%29
July 202539%28
August 202573%26
September 202583%29
November 202560%25
December 202562%26
January 2026100%11
February 202660%15
March 202644%23
April 202679%28
May 202683%30
Departures on time
74%
Diverted
0.7%
Flights flown
277
Months covered
12

Keep nerding

Based on 295 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.