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Route Reliability

Washington → Greenville

DCA–GSP · 396 miles · Ronald Reagan Washington National Airport to Greenville–Spartanburg International Airport

45
Bring Snacks
WanderNerd Reliability Score
67%
Arrive within 15 minutes
24 min
Average arrival delay
5.6%
Cancelled
1,022
Flights in the data

Data through May 2026.

American Airlines is the only airline in this data on this route, arriving on time 67% of the time across 1,022 flights. No comparison to make.

What the data says

Morning-you made the right choice.

DCA–GSP flights departing between 9 AM–12 PM arrived on time 86% of the time, versus 58% between 3–6 PM.

Sunday scaries are real for this one.

DCA–GSP flights arrived on time 73% of the time on Tuesdays. On Sundays: 61%.

Keep a backup plan handy.

This route was cancelled 5.6% of the time. Typical for U.S. flights is around 1–2%.

Trending in the right direction.

DCA–GSP flights arrived on time 70% of the time over the last three months in the data, compared with 60% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon64%(139 flights)
  • Tue73%(148 flights)
  • Wed70%(145 flights)
  • Thu63%(142 flights)
  • Fri63%(142 flights)
  • Sat73%(106 flights)
  • Sun61%(141 flights)
On-time by departure window
  • 6–9 AM77%(239 flights)
  • 9 AM–12 PM86%(109 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM58%(301 flights)
  • 6–9 PM61%(307 flights)
  • 9 PM–12 AM—(6 flights)
On-time trend by month
74%
May

Jun 57% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%79
July 202551%75
August 202576%80
September 202574%89
October 202577%90
November 202569%81
December 202553%73
January 202670%77
February 202656%77
March 202660%79
April 202677%79
May 202674%84

Same trip, other airports

Keep nerding

Based on 1,022 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.