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

Omaha, NE (OMA) to Chicago, IL (MDW) flight delay odds

79.1% of 1,357 official scheduled OMA-to-MDW flights arrived on time; 10.3% arrived at least 30 minutes late and 1.5% 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
79.1%arrived on time
10.3%30+ min late
1.5%cancelled
1,357scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.2%all scheduled flights
120+ minutes late2.1%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+4.7 mincompleted flights

Which departure time was most reliable for OMA to MDW?

Among qualifying OMA-to-MDW departure window results, Late morning had the highest on-time rate: 84.2% of 292 flights. Evening was lowest at 72.8% across 180 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning40183.8%6.7%1.7%
Late morning29284.2%8.2%0.7%
Afternoon48474.4%11.8%1.4%
Evening18072.8%17.8%2.2%

Which weekday was most reliable for OMA to MDW?

Among qualifying OMA-to-MDW weekday results, Sunday had the highest on-time rate: 84.7% of 216 flights. Monday was lowest at 72.2% across 205 flights.

DayFlightsOn time30+ minCancelled
Monday20572.2%11.7%2.0%
Tuesday19583.6%8.7%0.0%
Wednesday19182.2%8.9%1.0%
Thursday20373.9%13.8%1.0%
Friday20276.7%11.9%1.5%
Saturday14580.7%11.0%2.8%
Sunday21684.7%6.5%2.3%

Which airline was most reliable for OMA to MDW?

Only Southwest Airlines met the OMA-to-MDW airline threshold: 79.1% of 1,357 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,35779.1%10.3%1.5%

Which month was most reliable for OMA to MDW?

Among qualifying OMA-to-MDW month results, February 2026 had the highest on-time rate: 90.0% of 80 flights. July 2025 was lowest at 73.2% across 149 flights.

MonthFlightsOn time30+ minCancelled
July 202514973.2%16.8%2.0%
August 202512579.2%8.0%1.6%
September 202512084.2%7.5%0.8%
October 202512381.3%9.8%0.0%
November 202511381.4%9.7%2.7%
December 202512077.5%9.2%0.0%
January 20269389.2%3.2%0.0%
February 20268090.0%2.5%1.2%
March 202610975.2%11.9%6.4%
April 202610475.0%9.6%1.0%
May 202610674.5%11.3%0.9%
June 202611573.9%19.1%0.9%

What drove OMA to MDW delay minutes?

Late aircraft was the largest recorded OMA-to-MDW delay category, accounting for 53.8% of 14,083 BTS-attributed delay minutes during July 2025–June 2026.

Airline24.1%
Late aircraft53.8%
National airspace20.5%
Weather1.5%
Security0.2%
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.