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Route Reliability

GSO → Washington

GSO–DCA · 248 miles · GSO Airport to Ronald Reagan Washington National Airport

55
A Little Dicey
WanderNerd Reliability Score
73%
Arrive within 15 minutes
17 min
Average arrival delay
5.1%
Cancelled
804
Flights in the data

Data through May 2026.

American Airlines is the only airline in this data on this route, arriving on time 73% of the time across 804 flights. No comparison to make.

What the data says

Morning flights do better here.

GSO–DCA flights departing between 9 AM–12 PM arrived on time 82% of the time, versus 49% between 3–6 PM.

Thursdays have been rough.

GSO–DCA flights arrived on time 88% of the time on Saturdays and just 63% on Thursdays. That gap is worth planning around.

Keep a backup plan handy.

This route was cancelled 5.1% of the time. Typical for U.S. flights is around 1–2%.

Ticking up lately.

GSO–DCA flights arrived on time 75% of the time over the last three months in the data, compared with 71% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon71%(112 flights)
  • Tue74%(118 flights)
  • Wed72%(119 flights)
  • Thu63%(114 flights)
  • Fri68%(114 flights)
  • Sat88%(73 flights)
  • Sun78%(110 flights)
On-time by departure window
  • 3–6 AM—(5 flights)
  • 6–9 AM81%(256 flights)
  • 9 AM–12 PM82%(267 flights)
  • 12–3 PM55%(40 flights)
  • 3–6 PM49%(51 flights)
  • 6–9 PM52%(141 flights)
On-time trend by month
71%
May

Jun 56% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202556%55
July 202587%53
August 202563%56
September 202584%80
October 202577%87
November 202564%75
December 202564%58
January 202676%67
February 202673%60
March 202681%57
April 202672%57
May 202671%55

Same trip, other airports

Keep nerding

Based on 804 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.