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

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

71.0% of 3,424 official scheduled ORD-to-FLL flights arrived on time; 18.7% arrived at least 30 minutes late and 2.1% 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
71.0%arrived on time
18.7%30+ min late
2.1%cancelled
3,424scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.4%all scheduled flights
120+ minutes late4.1%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+13.9 mincompleted flights

Which departure time was most reliable for ORD to FLL?

Among qualifying ORD-to-FLL departure window results, Early morning had the highest on-time rate: 78.5% of 1,394 flights. Evening was lowest at 57.6% across 589 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,39478.5%12.7%2.4%
Late morning64773.3%17.2%1.2%
Afternoon79165.7%23.4%1.6%
Evening58957.6%28.4%3.1%

Which weekday was most reliable for ORD to FLL?

Among qualifying ORD-to-FLL weekday results, Tuesday had the highest on-time rate: 78.1% of 456 flights. Sunday was lowest at 63.3% across 521 flights.

DayFlightsOn time30+ minCancelled
Monday50566.9%19.8%3.8%
Tuesday45678.1%13.4%1.1%
Wednesday43477.0%15.2%1.2%
Thursday50576.8%14.5%1.2%
Friday50767.9%20.1%2.0%
Saturday49668.5%20.8%1.8%
Sunday52163.3%25.9%3.5%

Which airline was most reliable for ORD to FLL?

Among qualifying ORD-to-FLL airline results, United Airlines had the highest on-time rate: 77.5% of 1,478 flights. Spirit Airlines was lowest at 62.3% across 916 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines1,47877.5%13.3%0.8%
Spirit Airlines91662.3%24.3%4.5%
American Airlines84670.2%20.9%1.5%
Frontier Airlines15164.9%23.2%3.3%
Southwest Airlines3363.6%24.2%3.0%

Which month was most reliable for ORD to FLL?

Among qualifying ORD-to-FLL month results, August 2025 had the highest on-time rate: 81.4% of 204 flights. March 2026 was lowest at 53.4% across 440 flights.

MonthFlightsOn time30+ minCancelled
July 202521277.4%16.0%1.9%
August 202520481.4%12.7%0.5%
September 202520681.1%9.2%0.5%
October 202521981.3%11.9%0.0%
November 202528874.0%17.7%2.4%
December 202536267.1%26.2%1.1%
January 202638166.1%21.0%2.6%
February 202635574.1%15.8%2.3%
March 202644053.4%30.2%5.9%
April 202632768.5%18.0%2.8%
May 202622876.3%13.6%0.0%
June 202620274.8%14.9%1.0%

What drove ORD to FLL delay minutes?

Late aircraft was the largest recorded ORD-to-FLL delay category, accounting for 37.5% of 70,529 BTS-attributed delay minutes during July 2025–June 2026.

Airline26.0%
Late aircraft37.5%
National airspace29.9%
Weather6.6%
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.