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

Oklahoma City, OK (OKC) to Chicago, IL (MDW) flight delay odds

82.6% of 559 official scheduled OKC-to-MDW flights arrived on time; 8.6% arrived at least 30 minutes late and 1.4% 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 SIGNALLower disruption
82.6%arrived on time
8.6%30+ min late
1.4%cancelled
559scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.0%all scheduled flights
120+ minutes late1.4%all scheduled flights
Diverted0.7%did not reach as scheduled
Average arrival+2.4 mincompleted flights

Which departure time was most reliable for OKC to MDW?

Among qualifying OKC-to-MDW departure window results, Early morning had the highest on-time rate: 92.8% of 237 flights. Afternoon was lowest at 74.0% across 258 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning23792.8%2.5%1.3%
Afternoon25874.0%12.4%1.9%

Which weekday was most reliable for OKC to MDW?

Among qualifying OKC-to-MDW weekday results, Monday had the highest on-time rate: 89.5% of 86 flights. Tuesday was lowest at 73.3% across 75 flights.

DayFlightsOn time30+ minCancelled
Monday8689.5%3.5%2.3%
Tuesday7573.3%14.7%0.0%
Wednesday7382.2%6.8%1.4%
Thursday8675.6%15.1%1.2%
Friday8589.4%4.7%0.0%
Saturday6988.4%4.3%2.9%
Sunday8580.0%10.6%2.4%

Which airline was most reliable for OKC to MDW?

Only Southwest Airlines met the OKC-to-MDW airline threshold: 82.6% of 559 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines55982.6%8.6%1.4%

Which month was most reliable for OKC to MDW?

Among qualifying OKC-to-MDW month results, October 2025 had the highest on-time rate: 95.8% of 48 flights. December 2025 was lowest at 64.5% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20256180.3%14.8%1.6%
August 20254985.7%4.1%0.0%
September 20254789.4%10.6%0.0%
October 20254895.8%4.2%0.0%
November 20252989.7%0.0%6.9%
December 20253164.5%12.9%0.0%
January 20262792.6%0.0%3.7%
February 20262792.6%0.0%0.0%
March 20265879.3%8.6%3.4%
April 20266085.0%8.3%1.7%
May 20266272.6%11.3%0.0%
June 20266075.0%15.0%1.7%

What drove OKC to MDW delay minutes?

Late aircraft was the largest recorded OKC-to-MDW delay category, accounting for 57.5% of 3,832 BTS-attributed delay minutes during July 2025–June 2026.

Airline14.9%
Late aircraft57.5%
National airspace25.2%
Weather2.3%
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.