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Flight Reliability

AA 3938 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3938 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

76%
Arrive within 15 minutes
6 min
Average arrival delay
4.7%
Cancelled
5 min early
Median arrival delay

Based on 530 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(71 flights)
  • Tue76%(75 flights)
  • Wed80%(73 flights)
  • Thu81%(74 flights)
  • Fri72%(72 flights)
  • Sat83%(65 flights)
  • Sun74%(73 flights)
On-time by departure window
  • 6–9 AM93%(133 flights)
  • 9 AM–12 PM85%(53 flights)
  • 12–3 PM91%(57 flights)
  • 3–6 PM68%(115 flights)
  • 6–9 PM56%(119 flights)
  • 9 PM–12 AM77%(26 flights)
On-time trend by month
83%
May

Jun 52% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%52
July 202552%58
August 202570%54
September 202592%59
October 202581%36
November 202592%49
December 202578%46
January 202689%28
February 202691%23
March 202690%30
April 202667%27
May 202683%41
Departures on time
76%
Diverted
0.4%
Flights flown
503
Months covered
12

Keep nerding

Based on 530 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.