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Flight Reliability

AA 4742 · American Airlines

Raleigh–Durham → Pittsburgh (RDU–PIT)96% of its flights flew this route. The rest (JAN–MIA) are included in these numbers.

71
Usually Fine
WanderNerd Reliability Score
73%
Arrive within 15 minutes
14 min
Average arrival delay
1.8%
Cancelled
5 min early
Median arrival delay

Based on 278 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 6–9 AM arrived on time 75% of the time, against 71% between 6–9 PM.

Friday is doing you no favors.

AA 4742 arrived on time 83% of the time on Tuesdays and just 68% on Fridays. That gap is worth planning around.

Lagging the RDU–PIT route.

AA 4742 arrived on time 73% of the time, versus 83% across the RDU–PIT route.

A bit behind the American Airlines network.

AA 4742 arrived on time 73% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon73%(40 flights)
  • Tue83%(40 flights)
  • Wed68%(40 flights)
  • Thu68%(37 flights)
  • Fri68%(40 flights)
  • Sat81%(37 flights)
  • Sun69%(39 flights)
On-time by departure window
  • 6–9 AM75%(12 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM—(9 flights)
  • 6–9 PM71%(251 flights)
On-time trend by month
80%
Mar

Jun 64% → Mar 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%25
July 202552%27
August 202581%26
September 202572%29
October 202563%30
November 202583%29
December 202565%31
January 202690%29
February 202679%28
March 202680%10
Departures on time
71%
Diverted
0%
Flights flown
273
Months covered
12

Same route, other flights

Keep nerding

Based on 278 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.