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WanderNerd

Flight Reliability

AA 3157 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3157 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
14 min
Average arrival delay
2.3%
Cancelled
6 min early
Median arrival delay

Based on 390 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(44 flights)
  • Tue70%(54 flights)
  • Wed69%(55 flights)
  • Thu79%(63 flights)
  • Fri84%(51 flights)
  • Sat73%(52 flights)
  • Sun76%(58 flights)
On-time by departure window
  • 6–9 AM76%(159 flights)
  • 9 AM–12 PM78%(69 flights)
  • 12–3 PM75%(68 flights)
  • 3–6 PM75%(24 flights)
  • 6–9 PM70%(57 flights)
On-time trend by month
72%
May

Jun 72% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%29
July 202575%28
August 202575%28
September 202572%29
October 202578%27
November 202582%28
December 202585%40
January 202682%17
February 202668%38
March 202664%36
April 202682%38
May 202672%39
Departures on time
79%
Diverted
1.0%
Flights flown
377
Months covered
12

Based on 390 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.