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Flight Reliability

AA 4763 · American Airlines

Washington → Pittsburgh (DCA–PIT)92% of its flights flew this route. The rest (MDT–ORD, ORD–MDT) are included in these numbers.

45
Bring Snacks
WanderNerd Reliability Score
69%
Arrive within 15 minutes
15 min
Average arrival delay
7.3%
Cancelled
1 min early
Median arrival delay

Based on 313 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

AA 4763 departing between 12–3 PM arrived on time 77% of the time, versus 60% between 9 PM–12 AM.

Friday is doing you no favors.

AA 4763 arrived on time 89% of the time on Saturdays and just 55% on Fridays. That gap is worth planning around.

Lagging the DCA–PIT route.

AA 4763 arrived on time 69% of the time, versus 76% across the DCA–PIT route.

Lagging the American Airlines network.

AA 4763 arrived on time 69% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon69%(49 flights)
  • Tue81%(41 flights)
  • Wed69%(36 flights)
  • Thu64%(47 flights)
  • Fri55%(38 flights)
  • Sat89%(27 flights)
  • Sun62%(52 flights)
On-time by departure window
  • 9 AM–12 PM—(2 flights)
  • 12–3 PM77%(13 flights)
  • 3–6 PM—(6 flights)
  • 6–9 PM75%(134 flights)
  • 9 PM–12 AM60%(135 flights)
On-time trend by month
77%
May

Jun 62% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%26
July 202571%24
August 202583%30
September 202571%24
November 202574%27
December 202552%27
January 202677%22
February 202644%25
March 202654%26
April 202683%29
May 202677%26
Departures on time
67%
Diverted
0%
Flights flown
290
Months covered
12

Same route, other flights

Keep nerding

Based on 313 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.