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Route Reliability

GSO → Chicago

GSO–ORD · 589 miles · GSO Airport to Chicago O'Hare International Airport

74
Usually Fine
WanderNerd Reliability Score
78%
Arrive within 15 minutes
8 min
Average arrival delay
2.8%
Cancelled
1,721
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.American Airlines82%863 flights
  2. 2.United Airlines75%858 flights

What the data says

Morning-you made the right choice.

GSO–ORD flights departing between 6–9 AM arrived on time 88% of the time, versus 62% between 3–6 PM.

Thursday has been the better bet.

A small edge: 81% on time on Thursdays against 75% on Fridays.

American Airlines has a slight edge here.

American Airlines arrived on time 82% of the time on this route; United Airlines managed 75%.

Trending in the right direction.

GSO–ORD flights arrived on time 81% of the time over the last three months in the data, compared with 70% 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
  • Mon78%(250 flights)
  • Tue79%(218 flights)
  • Wed80%(229 flights)
  • Thu81%(253 flights)
  • Fri75%(249 flights)
  • Sat79%(215 flights)
  • Sun77%(253 flights)
On-time by departure window
  • 6–9 AM88%(592 flights)
  • 9 AM–12 PM80%(442 flights)
  • 12–3 PM86%(94 flights)
  • 3–6 PM62%(345 flights)
  • 6–9 PM72%(194 flights)
On-time trend by month
89%
May

Jun 78% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%116
July 202571%116
August 202588%115
September 202587%149
October 202578%172
November 202577%127
December 202569%137
January 202668%105
February 202673%120
March 202676%143
April 202678%170
May 202689%197

Keep nerding

Based on 1,721 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.