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

Norfolk, VA (ORF) to Chicago, IL (MDW) flight delay odds

76.4% of 573 official scheduled ORF-to-MDW flights arrived on time; 13.3% arrived at least 30 minutes late and 1.6% 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 SIGNALGenerally reliable
76.4%arrived on time
13.3%30+ min late
1.6%cancelled
573scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.3%all scheduled flights
120+ minutes late2.6%all scheduled flights
Diverted0.7%did not reach as scheduled
Average arrival+8.2 mincompleted flights

Which departure time was most reliable for ORF to MDW?

Among qualifying ORF-to-MDW departure window results, Early morning had the highest on-time rate: 90.2% of 235 flights. Evening was lowest at 63.7% across 262 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning23590.2%3.4%2.1%
Afternoon6576.9%18.5%0.0%
Evening26263.7%21.0%1.5%

Which weekday was most reliable for ORF to MDW?

Among qualifying ORF-to-MDW weekday results, Tuesday had the highest on-time rate: 81.6% of 87 flights. Saturday was lowest at 70.8% across 65 flights.

DayFlightsOn time30+ minCancelled
Monday8574.1%12.9%3.5%
Tuesday8781.6%9.2%1.1%
Wednesday8278.0%13.4%0.0%
Thursday8371.1%12.0%1.2%
Friday8581.2%16.5%0.0%
Saturday6570.8%15.4%3.1%
Sunday8676.7%14.0%2.3%

Which airline was most reliable for ORF to MDW?

Only Southwest Airlines met the ORF-to-MDW airline threshold: 76.4% of 573 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines57376.4%13.3%1.6%

Which month was most reliable for ORF to MDW?

Among qualifying ORF-to-MDW month results, January 2026 had the highest on-time rate: 96.7% of 30 flights. March 2026 was lowest at 41.9% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20258875.0%19.3%1.1%
August 20256178.7%13.1%1.6%
September 20255678.6%8.9%1.8%
October 20255893.1%1.7%0.0%
November 20253585.7%2.9%5.7%
December 20254271.4%19.0%0.0%
January 20263096.7%0.0%3.3%
February 20262785.2%3.7%3.7%
March 20263141.9%32.3%3.2%
April 20263086.7%3.3%0.0%
May 20263180.6%16.1%0.0%
June 20268459.5%22.6%1.2%

What drove ORF to MDW delay minutes?

Late aircraft was the largest recorded ORF-to-MDW delay category, accounting for 50.5% of 7,577 BTS-attributed delay minutes during July 2025–June 2026.

Airline22.2%
Late aircraft50.5%
National airspace24.5%
Weather2.8%
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.