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

Fort Myers, FL (RSW) to Chicago, IL (MDW) flight delay odds

73.5% of 1,161 official scheduled RSW-to-MDW flights arrived on time; 15.2% 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 SIGNALGenerally reliable
73.5%arrived on time
15.2%30+ min late
1.4%cancelled
1,161scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.5%all scheduled flights
120+ minutes late3.1%all scheduled flights
Diverted0.7%did not reach as scheduled
Average arrival+10.6 mincompleted flights

Which departure time was most reliable for RSW to MDW?

Among qualifying RSW-to-MDW departure window results, Early morning had the highest on-time rate: 92.6% of 338 flights. Evening was lowest at 50.8% across 252 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning33892.6%2.7%1.5%
Late morning22873.7%14.5%1.3%
Afternoon30171.1%15.0%1.0%
Evening25250.8%32.9%2.0%
Night4271.4%16.7%0.0%

Which weekday was most reliable for RSW to MDW?

Among qualifying RSW-to-MDW weekday results, Wednesday had the highest on-time rate: 78.9% of 161 flights. Saturday was lowest at 69.3% across 166 flights.

DayFlightsOn time30+ minCancelled
Monday17074.7%17.1%2.4%
Tuesday16769.5%14.4%1.2%
Wednesday16178.9%9.3%0.6%
Thursday16977.5%15.4%1.2%
Friday17074.7%15.3%1.2%
Saturday16669.3%17.5%2.4%
Sunday15869.6%17.7%0.6%

Which airline was most reliable for RSW to MDW?

Only Southwest Airlines met the RSW-to-MDW airline threshold: 73.5% of 1,161 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,16173.5%15.2%1.4%

Which month was most reliable for RSW to MDW?

Among qualifying RSW-to-MDW month results, September 2025 had the highest on-time rate: 91.3% of 69 flights. December 2025 was lowest at 61.1% across 95 flights.

MonthFlightsOn time30+ minCancelled
July 20258879.5%15.9%0.0%
August 20257280.6%9.7%2.8%
September 20256991.3%7.2%0.0%
October 20259184.6%6.6%0.0%
November 20259071.1%16.7%4.4%
December 20259561.1%23.2%0.0%
January 202610182.2%6.9%1.0%
February 202611070.9%14.5%0.0%
March 202616362.6%23.3%4.3%
April 202610475.0%14.4%0.0%
May 20269269.6%16.3%1.1%
June 20268667.4%19.8%1.2%

What drove RSW to MDW delay minutes?

Late aircraft was the largest recorded RSW-to-MDW delay category, accounting for 56.8% of 16,376 BTS-attributed delay minutes during July 2025–June 2026.

Airline21.8%
Late aircraft56.8%
National airspace16.0%
Weather4.7%
Security0.7%
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.