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

Chicago, IL (ORD) to Roanoke, VA (ROA) flight delay odds

66.7% of 848 official scheduled ORD-to-ROA flights arrived on time; 17.9% 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
66.7%arrived on time
17.9%30+ min late
3.3%cancelled
848scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.3%all scheduled flights
120+ minutes late4.0%all scheduled flights
Diverted0.7%did not reach as scheduled
Average arrival+14.8 mincompleted flights

Which departure time was most reliable for ORD to ROA?

Among qualifying ORD-to-ROA departure window results, Afternoon had the highest on-time rate: 71.3% of 216 flights. Evening was lowest at 64.5% across 341 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning15368.6%14.4%1.3%
Afternoon21671.3%16.2%1.9%
Evening34164.5%19.1%4.1%
Night11266.1%20.5%5.4%

Which weekday was most reliable for ORD to ROA?

Among qualifying ORD-to-ROA weekday results, Wednesday had the highest on-time rate: 73.5% of 117 flights. Thursday was lowest at 61.3% across 124 flights.

DayFlightsOn time30+ minCancelled
Monday12263.1%21.3%6.6%
Tuesday12572.8%13.6%3.2%
Wednesday11773.5%16.2%2.6%
Thursday12461.3%19.4%2.4%
Friday12563.2%19.2%2.4%
Saturday11469.3%19.3%2.6%
Sunday12164.5%16.5%3.3%

Which airline was most reliable for ORD to ROA?

Among qualifying ORD-to-ROA airline results, Republic Airways had the highest on-time rate: 67.4% of 291 flights. SkyWest Airlines was lowest at 66.4% across 557 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines55766.4%17.6%2.2%
Republic Airways29167.4%18.6%5.5%

Which month was most reliable for ORD to ROA?

Among qualifying ORD-to-ROA month results, September 2025 had the highest on-time rate: 78.6% of 117 flights. December 2025 was lowest at 52.1% across 71 flights.

MonthFlightsOn time30+ minCancelled
July 20255853.4%36.2%0.0%
August 20259571.6%11.6%4.2%
September 202511778.6%7.7%0.0%
October 202511271.4%11.6%0.0%
November 20255972.9%8.5%10.2%
December 20257152.1%33.8%2.8%
January 20264358.1%18.6%7.0%
February 20264461.4%27.3%0.0%
March 20265869.0%15.5%5.2%
April 20263959.0%28.2%7.7%
May 20266275.8%17.7%1.6%
June 20269058.9%20.0%6.7%

What drove ORD to ROA delay minutes?

Late aircraft was the largest recorded ORD-to-ROA delay category, accounting for 47.6% of 16,765 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.8%
Late aircraft47.6%
National airspace18.7%
Weather3.9%
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.