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Flight Reliability

AA 4546 · American Airlines

New York → Washington (JFK–DCA)83% of its flights flew this route. The rest (LGA–CHS, LGA–RDU) are included in these numbers.

15
Bring Snacks
WanderNerd Reliability Score
62%
Arrive within 15 minutes
17 min
Average arrival delay
12.4%
Cancelled
2 min
Median arrival delay

Based on 354 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

AA 4546 departing between 9 AM–12 PM arrived on time 90% of the time, versus 52% between 6–9 PM.

Thursdays have been rough.

AA 4546 arrived on time 76% of the time on Saturdays and just 46% on Thursdays. That gap is worth planning around.

A bit behind the JFK–DCA route.

AA 4546 arrived on time 62% of the time, versus 68% across the JFK–DCA route.

Lagging the American Airlines network.

AA 4546 arrived on time 62% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon73%(45 flights)
  • Tue65%(46 flights)
  • Wed61%(44 flights)
  • Thu46%(44 flights)
  • Fri61%(43 flights)
  • Sat76%(41 flights)
  • Sun52%(46 flights)
On-time by departure window
  • 9 AM–12 PM90%(10 flights)
  • 12–3 PM73%(11 flights)
  • 3–6 PM—(1 flights)
  • 6–9 PM52%(156 flights)
  • 9 PM–12 AM70%(131 flights)
On-time trend by month
76%
May

Jun 58% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%19
July 202547%17
August 202580%30
September 202579%29
October 202586%28
November 202539%26
December 202565%20
January 202643%21
February 202648%25
March 202638%29
April 202663%27
May 202676%38
Departures on time
69%
Diverted
0.3%
Flights flown
309
Months covered
12

Same route, other flights

Keep nerding

Based on 354 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.