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WanderNerd

Flight Reliability

AA 5138 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 5138 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

61%
Arrive within 15 minutes
32 min
Average arrival delay
9.7%
Cancelled
3 min
Median arrival delay

Based on 319 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon60%(45 flights)
  • Tue78%(36 flights)
  • Wed60%(45 flights)
  • Thu49%(41 flights)
  • Fri71%(45 flights)
  • Sat75%(32 flights)
  • Sun41%(44 flights)
On-time by departure window
  • 6–9 AM75%(16 flights)
  • 9 AM–12 PM73%(15 flights)
  • 12–3 PM(6 flights)
  • 3–6 PM55%(166 flights)
  • 6–9 PM65%(85 flights)
On-time trend by month
67%
May

Jun 45% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202545%47
July 202547%45
August 202560%30
September 202580%10
November 202571%24
December 202571%34
January 202670%23
February 202657%21
March 202668%25
May 202667%18
Departures on time
65%
Diverted
0%
Flights flown
288
Months covered
12

Based on 319 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.