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

Chicago, IL (MDW) to Fort Lauderdale, FL (FLL) flight delay odds

72.8% of 1,127 official scheduled MDW-to-FLL flights arrived on time; 15.8% 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
72.8%arrived on time
15.8%30+ min late
1.5%cancelled
1,127scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.4%all scheduled flights
120+ minutes late2.5%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+10.1 mincompleted flights

Which departure time was most reliable for MDW to FLL?

Among qualifying MDW-to-FLL departure window results, Early morning had the highest on-time rate: 84.5% of 368 flights. Afternoon was lowest at 65.8% across 325 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36884.5%6.8%0.5%
Late morning7378.1%8.2%5.5%
Afternoon32565.8%20.9%1.2%
Evening36165.9%21.9%1.9%

Which weekday was most reliable for MDW to FLL?

Among qualifying MDW-to-FLL weekday results, Wednesday had the highest on-time rate: 80.8% of 146 flights. Thursday was lowest at 66.5% across 155 flights.

DayFlightsOn time30+ minCancelled
Monday15869.0%18.4%3.2%
Tuesday15174.8%16.6%0.0%
Wednesday14680.8%9.6%0.7%
Thursday15566.5%18.7%2.6%
Friday15571.0%18.7%0.6%
Saturday18676.3%12.4%2.7%
Sunday17671.0%16.5%0.6%

Which airline was most reliable for MDW to FLL?

Only Southwest Airlines met the MDW-to-FLL airline threshold: 72.8% of 1,127 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,12772.8%15.8%1.5%

Which month was most reliable for MDW to FLL?

Among qualifying MDW-to-FLL month results, April 2026 had the highest on-time rate: 85.6% of 97 flights. March 2026 was lowest at 57.8% across 109 flights.

MonthFlightsOn time30+ minCancelled
July 20259768.0%21.6%1.0%
August 20258570.6%16.5%2.4%
September 20258176.5%6.2%0.0%
October 20259171.4%16.5%0.0%
November 20259478.7%9.6%5.3%
December 20259866.3%18.4%0.0%
January 20269676.0%17.7%0.0%
February 20269382.8%7.5%0.0%
March 202610957.8%20.2%7.3%
April 20269785.6%9.3%1.0%
May 20269780.4%14.4%0.0%
June 20268960.7%30.3%0.0%

What drove MDW to FLL delay minutes?

Late aircraft was the largest recorded MDW-to-FLL delay category, accounting for 44.9% of 16,369 BTS-attributed delay minutes during July 2025–June 2026.

Airline31.9%
Late aircraft44.9%
National airspace19.6%
Weather1.8%
Security1.9%
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.