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Flight Reliability

AA 4428 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4428 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

78%
Arrive within 15 minutes
5 min
Average arrival delay
1.0%
Cancelled
6 min early
Median arrival delay

Based on 412 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(61 flights)
  • Tue80%(56 flights)
  • Wed77%(52 flights)
  • Thu76%(63 flights)
  • Fri73%(62 flights)
  • Sat84%(69 flights)
  • Sun78%(45 flights)
On-time by departure window
  • 6–9 AM—(8 flights)
  • 9 AM–12 PM80%(160 flights)
  • 12–3 PM74%(103 flights)
  • 3–6 PM81%(62 flights)
  • 6–9 PM79%(75 flights)
On-time trend by month
90%
May

Jun 81% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%48
July 202571%52
August 202582%60
September 202578%32
October 202574%31
December 202569%45
January 202667%15
February 202681%26
March 202681%31
April 202691%23
May 202690%39
Departures on time
80%
Diverted
0%
Flights flown
408
Months covered
12

Keep nerding

Based on 412 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.