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Flight Reliability

AA 4621 · American Airlines

Norfolk → New York (ORF–LGA)99% of its flights flew this route. The rest (JAN–DCA) are included in these numbers.

57
A Little Dicey
WanderNerd Reliability Score
67%
Arrive within 15 minutes
17 min
Average arrival delay
3.3%
Cancelled
3 min early
Median arrival delay

Based on 331 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

AA 4621 arrived on time 78% of the time on Saturdays and just 62% on Sundays. That gap is worth planning around.

A bit behind the ORF–LGA route.

AA 4621 arrived on time 67% of the time, versus 73% across the ORF–LGA route.

Lagging the American Airlines network.

AA 4621 arrived on time 67% of the time, versus 77% across the American Airlines network.

Keep a backup plan handy.

AA 4621 was cancelled 3.3% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon63%(46 flights)
  • Tue66%(50 flights)
  • Wed65%(49 flights)
  • Thu66%(44 flights)
  • Fri68%(47 flights)
  • Sat78%(36 flights)
  • Sun62%(47 flights)
On-time by departure window
  • 3–6 AM—(4 flights)
  • 6–9 AM—(2 flights)
  • 9 AM–12 PM—(9 flights)
  • 12–3 PM66%(304 flights)
On-time trend by month
86%
May

Jun 65% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%26
July 202554%26
August 202560%30
September 202557%30
October 202567%30
November 202550%28
December 202557%21
January 202691%23
February 202669%26
March 202674%27
April 202673%30
May 202686%22
Departures on time
80%
Diverted
0.3%
Flights flown
319
Months covered
12

Same route, other flights

Keep nerding

Based on 331 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.