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

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

Historically, 75.1% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,556 flights.

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

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

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%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

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%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 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%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

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 reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

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.