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Flight Reliability

AA 4686 · American Airlines

Washington → Nashville (DCA–BNA)

89
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
1 min early
Average arrival delay
1.1%
Cancelled
11 min early
Median arrival delay

Based on 353 historical flights. Data through May 2026.

What the data says

Saturdays have been rough.

AA 4686 arrived on time 94% of the time on Mondays and just 79% on Saturdays. That gap is worth planning around.

Better than the DCA–BNA route average.

AA 4686 arrived on time 85% of the time, versus 77% across the DCA–BNA route.

Better than the American Airlines network average.

AA 4686 arrived on time 85% of the time, versus 77% across the American Airlines network.

Trending in the right direction.

AA 4686 arrived on time 89% of the time over the last three months in the data, compared with 78% in the three months before that.

The breakdown

On-time by weekday
  • Mon94%(50 flights)
  • Tue87%(52 flights)
  • Wed89%(52 flights)
  • Thu82%(51 flights)
  • Fri84%(50 flights)
  • Sat79%(42 flights)
  • Sun81%(52 flights)
On-time by departure window
  • 9 AM–12 PM85%(342 flights)
  • 9 PM–12 AM—(7 flights)
On-time trend by month
89%
May

Jun 86% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%28
July 202585%27
August 202597%30
September 202597%30
October 202584%31
November 202573%30
December 202573%30
January 202679%28
February 202682%27
March 202690%31
April 202687%30
May 202689%27
Departures on time
82%
Diverted
0%
Flights flown
349
Months covered
12

Same route, other flights

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.