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WanderNerd

Flight Reliability

AA 4142 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4142 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

64%
Arrive within 15 minutes
15 min
Average arrival delay
3.5%
Cancelled
0 min
Median arrival delay

Based on 286 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(45 flights)
  • Tue72%(36 flights)
  • Wed71%(31 flights)
  • Thu62%(45 flights)
  • Fri55%(40 flights)
  • Sat68%(34 flights)
  • Sun58%(45 flights)
On-time by departure window
  • 6–9 AM90%(51 flights)
  • 9 AM–12 PM55%(20 flights)
  • 12–3 PM69%(16 flights)
  • 3–6 PM71%(55 flights)
  • 6–9 PM52%(134 flights)
On-time trend by month
66%
May

Jun 61% → May 66% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%33
July 202554%28
August 202537%19
September 202567%12
October 202533%24
November 202578%18
December 202565%26
January 202672%29
February 202682%28
April 202688%24
May 202666%29
Departures on time
69%
Diverted
0%
Flights flown
276
Months covered
12

Based on 286 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.