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Flight Reliability

AA 1947 · American Airlines

Washington → San Antonio (DCA–SAT)99% of its flights flew this route. The rest (PDX–CLT, PDX–MIA) are included in these numbers.

43
Bring Snacks
WanderNerd Reliability Score
55%
Arrive within 15 minutes
33 min
Average arrival delay
2.0%
Cancelled
8 min
Median arrival delay

Based on 353 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

AA 1947 departing between 12–3 PM arrived on time 62% of the time, versus 55% between 3–6 PM.

Sunday scaries are real for this one.

AA 1947 arrived on time 67% of the time on Mondays and just 43% on Sundays. That gap is worth planning around.

Well behind the American Airlines network.

AA 1947 arrived on time 55% of the time, versus 77% across the American Airlines network.

Recent months have been rougher.

AA 1947 arrived on time 53% of the time over the last three months in the data, compared with 62% in the three months before that.

The breakdown

On-time by weekday
  • Mon67%(48 flights)
  • Tue56%(48 flights)
  • Wed55%(51 flights)
  • Thu51%(49 flights)
  • Fri50%(50 flights)
  • Sat66%(50 flights)
  • Sun43%(49 flights)
On-time by departure window
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM62%(13 flights)
  • 3–6 PM55%(123 flights)
  • 6–9 PM55%(208 flights)
On-time trend by month
45%
May

Jun 43% → May 45% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202543%30
July 202539%28
August 202530%30
September 202559%29
October 202577%31
November 202573%30
December 202574%23
January 202663%24
February 202650%28
March 202665%31
April 202650%30
May 202645%31
Departures on time
58%
Diverted
0.3%
Flights flown
345
Months covered
12

Keep nerding

Based on 353 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.