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Flight Reliability

AA 4685 · American Airlines

Raleigh–Durham → Nashville (RDU–BNA)81% of its flights flew this route. The rest (ORD–ILM, LGA–DCA) are included in these numbers.

61
A Little Dicey
WanderNerd Reliability Score
70%
Arrive within 15 minutes
16 min
Average arrival delay
2.7%
Cancelled
1 min early
Median arrival delay

Based on 332 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

AA 4685 departing between 6–9 PM arrived on time 81% of the time, versus 66% between 3–6 PM.

Mondays have been rough.

AA 4685 arrived on time 81% of the time on Wednesdays and just 57% on Mondays. That gap is worth planning around.

Lagging the RDU–BNA route.

AA 4685 arrived on time 70% of the time, versus 81% across the RDU–BNA route.

Lagging the American Airlines network.

AA 4685 arrived on time 70% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon57%(44 flights)
  • Tue72%(46 flights)
  • Wed81%(48 flights)
  • Thu61%(46 flights)
  • Fri66%(50 flights)
  • Sat81%(42 flights)
  • Sun69%(45 flights)
On-time by departure window
  • 12–3 PM79%(34 flights)
  • 3–6 PM66%(241 flights)
  • 6–9 PM81%(42 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
67%
May

Jun 52% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%29
July 202541%27
August 202582%27
September 202583%30
October 202577%31
November 202574%27
December 202550%28
January 202674%27
February 202679%28
March 202680%10
April 202683%24
May 202667%33
Departures on time
70%
Diverted
0.6%
Flights flown
321
Months covered
12

Same route, other flights

Keep nerding

Based on 332 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.