BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
GSO→ORD

Greensboro/High Point, NC (GSO) to Chicago, IL (ORD) flight delay odds

75.1% of 1,556 official scheduled GSO-to-ORD flights arrived on time; 13.0% arrived at least 30 minutes late and 3.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
75.1%arrived on time
13.0%30+ min late
3.3%cancelled
1,556scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.1%all scheduled flights
120+ minutes late3.5%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+7.2 mincompleted flights

Which departure time was most reliable for GSO to ORD?

Among qualifying GSO-to-ORD departure window results, Early morning had the highest on-time rate: 85.2% of 574 flights. Evening was lowest at 61.2% across 562 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning57485.2%7.1%2.3%
Late morning29378.8%14.7%0.3%
Afternoon12484.7%9.7%0.8%
Evening56261.2%19.0%5.9%

Which weekday was most reliable for GSO to ORD?

Among qualifying GSO-to-ORD weekday results, Thursday had the highest on-time rate: 77.4% of 230 flights. Sunday was lowest at 72.4% across 239 flights.

DayFlightsOn time30+ minCancelled
Monday23573.6%12.8%5.5%
Tuesday21076.2%12.9%1.4%
Wednesday21176.8%11.4%0.9%
Thursday23077.4%9.1%2.2%
Friday22574.2%14.7%2.7%
Saturday20675.7%12.6%4.9%
Sunday23972.4%17.6%5.0%

Which airline was most reliable for GSO to ORD?

Among qualifying GSO-to-ORD airline results, Republic Airways had the highest on-time rate: 84.0% of 81 flights. SkyWest Airlines was lowest at 69.3% across 600 flights.

AirlineFlightsOn time30+ minCancelled
Envoy Air87578.3%12.1%2.7%
SkyWest Airlines60069.3%15.3%3.8%
Republic Airways8184.0%6.2%4.9%

Which month was most reliable for GSO to ORD?

Among qualifying GSO-to-ORD month results, September 2025 had the highest on-time rate: 87.4% of 127 flights. January 2026 was lowest at 60.9% across 115 flights.

MonthFlightsOn time30+ minCancelled
July 20258668.6%18.6%1.2%
August 20259785.6%6.2%3.1%
September 202512787.4%6.3%0.0%
October 202513677.2%11.8%0.7%
November 202513969.8%12.2%8.6%
December 202513768.6%20.4%0.0%
January 202611560.9%17.4%7.0%
February 202612172.7%17.4%0.8%
March 202615469.5%17.5%6.5%
April 202617872.5%11.8%3.9%
May 202617686.9%8.0%1.7%
June 20269081.1%10.0%5.6%

What drove GSO to ORD delay minutes?

Late aircraft was the largest recorded GSO-to-ORD delay category, accounting for 40.2% of 25,128 BTS-attributed delay minutes during July 2025–June 2026.

Airline22.3%
Late aircraft40.2%
National airspace30.9%
Weather6.7%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.