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

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

74.6% of 3,232 official scheduled RSW-to-ORD flights arrived on time; 15.8% arrived at least 30 minutes late and 1.7% 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
74.6%arrived on time
15.8%30+ min late
1.7%cancelled
3,232scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.1%all scheduled flights
120+ minutes late4.1%all scheduled flights
Diverted0.8%did not reach as scheduled
Average arrival+9.5 mincompleted flights

Which departure time was most reliable for RSW to ORD?

Among qualifying RSW-to-ORD departure window results, Early morning had the highest on-time rate: 87.8% of 624 flights. Night was lowest at 52.9% across 85 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning62487.8%5.8%2.1%
Late morning71283.7%9.4%1.4%
Afternoon1,37971.4%18.6%0.9%
Evening43254.6%29.4%2.3%
Night8552.9%28.2%11.8%

Which weekday was most reliable for RSW to ORD?

Among qualifying RSW-to-ORD weekday results, Thursday had the highest on-time rate: 79.0% of 466 flights. Sunday was lowest at 69.3% across 489 flights.

DayFlightsOn time30+ minCancelled
Monday47671.6%20.4%2.1%
Tuesday44578.0%11.5%2.0%
Wednesday42777.8%14.1%0.5%
Thursday46679.0%12.9%1.1%
Friday47673.5%15.1%1.9%
Saturday45373.5%15.9%2.6%
Sunday48969.3%20.2%1.6%

Which airline was most reliable for RSW to ORD?

Among qualifying RSW-to-ORD airline results, United Airlines had the highest on-time rate: 79.7% of 1,612 flights. Southwest Airlines was lowest at 54.4% across 103 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines1,61279.7%12.1%0.7%
American Airlines1,11671.9%18.5%2.0%
Spirit Airlines36566.3%20.5%5.2%
Southwest Airlines10354.4%29.1%1.9%
Frontier Airlines3669.4%13.9%2.8%

Which month was most reliable for RSW to ORD?

Among qualifying RSW-to-ORD month results, September 2025 had the highest on-time rate: 91.1% of 168 flights. July 2025 was lowest at 65.7% across 181 flights.

MonthFlightsOn time30+ minCancelled
July 202518165.7%22.1%3.3%
August 202517979.9%12.3%0.0%
September 202516891.1%4.8%0.0%
October 202520183.6%11.9%0.0%
November 202526673.7%19.5%1.9%
December 202533770.6%18.4%1.8%
January 202631771.3%17.4%2.2%
February 202634272.5%15.5%1.2%
March 202646868.2%17.7%4.1%
April 202636376.3%15.2%1.7%
May 202623279.7%12.9%0.0%
June 202617877.5%15.2%1.1%

What drove RSW to ORD delay minutes?

National airspace was the largest recorded RSW-to-ORD delay category, accounting for 41.0% of 60,068 BTS-attributed delay minutes during July 2025–June 2026.

Airline19.3%
Late aircraft33.9%
National airspace41.0%
Weather5.8%
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.