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Flight Reliability

AA 4157 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4157 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

79%
Arrive within 15 minutes
4 min
Average arrival delay
1.6%
Cancelled
5 min early
Median arrival delay

Based on 367 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(55 flights)
  • Tue77%(56 flights)
  • Wed82%(51 flights)
  • Thu81%(48 flights)
  • Fri83%(52 flights)
  • Sat65%(46 flights)
  • Sun83%(53 flights)
On-time by departure window
  • 9 AM–12 PM91%(42 flights)
  • 12–3 PM81%(183 flights)
  • 3–6 PM73%(136 flights)
On-time trend by month
79%
May

Jun 70% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%30
July 202574%31
August 202581%31
September 202586%29
November 202583%48
December 202590%58
January 202669%35
February 202673%11
April 202673%45
May 202679%38
Departures on time
81%
Diverted
0%
Flights flown
361
Months covered
11

Keep nerding

Based on 367 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.