BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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JFK→ORD

New York, NY (JFK) to Chicago, IL (ORD) flight delay odds

67.7% of 2,013 official scheduled JFK-to-ORD flights arrived on time; 20.5% arrived at least 30 minutes late and 4.8% 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 SIGNALHigher disruption
67.7%arrived on time
20.5%30+ min late
4.8%cancelled
2,013scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.6%all scheduled flights
120+ minutes late5.8%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+16.0 mincompleted flights

Which departure time was most reliable for JFK to ORD?

Among qualifying JFK-to-ORD departure window results, Late morning had the highest on-time rate: 77.6% of 508 flights. Evening was lowest at 57.3% across 579 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning28075.7%11.4%4.6%
Late morning50877.6%14.4%2.6%
Afternoon62566.2%22.1%5.0%
Evening57957.3%28.2%6.4%

Which weekday was most reliable for JFK to ORD?

Among qualifying JFK-to-ORD weekday results, Tuesday had the highest on-time rate: 74.5% of 274 flights. Sunday was lowest at 61.4% across 290 flights.

DayFlightsOn time30+ minCancelled
Monday29965.2%23.4%6.0%
Tuesday27474.5%16.1%3.3%
Wednesday27766.1%23.1%3.2%
Thursday28466.5%20.1%5.6%
Friday30071.3%14.7%4.3%
Saturday28968.9%22.1%2.8%
Sunday29061.4%23.8%8.3%

Which airline was most reliable for JFK to ORD?

Among qualifying JFK-to-ORD airline results, Republic Airways had the highest on-time rate: 72.2% of 759 flights. Frontier Airlines was lowest at 49.1% across 116 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways75972.2%16.6%5.5%
JetBlue Airways57264.9%23.3%3.8%
American Airlines55268.5%18.7%5.1%
Frontier Airlines11649.1%39.7%4.3%
Delta Air Lines1457.1%28.6%0.0%

Which month was most reliable for JFK to ORD?

Among qualifying JFK-to-ORD month results, September 2025 had the highest on-time rate: 83.0% of 165 flights. July 2025 was lowest at 50.6% across 156 flights.

MonthFlightsOn time30+ minCancelled
July 202515650.6%30.8%12.2%
August 202515578.1%14.8%3.9%
September 202516583.0%11.5%1.2%
October 202518663.4%22.6%2.7%
November 202517661.4%27.3%4.0%
December 202519454.1%31.4%3.6%
January 202614866.2%19.6%7.4%
February 202613166.4%18.3%9.2%
March 202618360.1%25.7%6.0%
April 202614077.1%13.6%2.9%
May 202617779.7%13.0%0.6%
June 202620274.3%14.4%5.9%

What drove JFK to ORD delay minutes?

Late aircraft was the largest recorded JFK-to-ORD delay category, accounting for 41.3% of 47,466 BTS-attributed delay minutes during July 2025–June 2026.

Airline23.0%
Late aircraft41.3%
National airspace33.2%
Weather1.9%
Security0.5%
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.