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Flight Reliability

AA 4273 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4273 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

75%
Arrive within 15 minutes
11 min
Average arrival delay
4.5%
Cancelled
0 min
Median arrival delay

Based on 400 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(60 flights)
  • Tue78%(63 flights)
  • Wed71%(55 flights)
  • Thu75%(56 flights)
  • Fri81%(57 flights)
  • Sat84%(31 flights)
  • Sun70%(60 flights)
On-time by departure window
  • 12–3 PM77%(52 flights)
  • 3–6 PM69%(145 flights)
  • 6–9 PM77%(66 flights)
  • 9 PM–12 AM81%(119 flights)
On-time trend by month
82%
May

Jun 67% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%46
July 202574%54
August 202568%56
September 202581%31
October 202581%31
November 202575%28
December 202572%18
January 202683%30
March 202670%20
April 202678%50
May 202682%11
Departures on time
78%
Diverted
0%
Flights flown
382
Months covered
12

Keep nerding

Based on 400 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.