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

New Orleans, LA (MSY) to Chicago, IL (ORD) flight delay odds

75.6% of 2,400 official scheduled MSY-to-ORD flights arrived on time; 14.5% arrived at least 30 minutes late and 2.2% 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
75.6%arrived on time
14.5%30+ min late
2.2%cancelled
2,400scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.4%all scheduled flights
120+ minutes late3.9%all scheduled flights
Diverted1.0%did not reach as scheduled
Average arrival+11.6 mincompleted flights

Which departure time was most reliable for MSY to ORD?

Among qualifying MSY-to-ORD departure window results, Early morning had the highest on-time rate: 83.4% of 610 flights. Evening was lowest at 61.7% across 269 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning61083.4%7.9%1.8%
Late morning66778.0%14.2%2.1%
Afternoon85472.6%17.2%1.6%
Evening26961.7%21.2%4.8%

Which weekday was most reliable for MSY to ORD?

Among qualifying MSY-to-ORD weekday results, Tuesday had the highest on-time rate: 81.1% of 328 flights. Sunday was lowest at 71.1% across 356 flights.

DayFlightsOn time30+ minCancelled
Monday36772.2%16.3%3.3%
Tuesday32881.1%11.3%1.8%
Wednesday32177.9%14.3%0.3%
Thursday35477.4%12.4%2.0%
Friday36373.8%15.7%2.5%
Saturday31176.8%12.5%2.9%
Sunday35671.1%18.0%2.2%

Which airline was most reliable for MSY to ORD?

Among qualifying MSY-to-ORD airline results, United Airlines had the highest on-time rate: 80.8% of 842 flights. Spirit Airlines was lowest at 65.6% across 215 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines84280.8%12.6%1.2%
Envoy Air46580.0%12.3%1.7%
American Airlines40067.5%20.8%2.2%
Republic Airways33674.7%11.9%2.7%
Spirit Airlines21565.6%18.1%6.5%
SkyWest Airlines13171.8%15.3%1.5%
Frontier Airlines1163.6%18.2%0.0%

Which month was most reliable for MSY to ORD?

Among qualifying MSY-to-ORD month results, September 2025 had the highest on-time rate: 92.3% of 142 flights. June 2026 was lowest at 65.0% across 206 flights.

MonthFlightsOn time30+ minCancelled
July 202518172.4%18.2%0.0%
August 202515781.5%10.8%1.9%
September 202514292.3%2.8%0.7%
October 202523578.7%11.5%0.0%
November 202521773.7%17.1%4.1%
December 202518576.2%16.2%0.0%
January 202619977.4%13.1%2.0%
February 202622081.4%12.3%0.5%
March 202624868.1%16.1%7.3%
April 202622666.8%18.1%4.0%
May 202618482.6%10.3%1.1%
June 202620665.0%22.3%2.4%

What drove MSY to ORD delay minutes?

Late aircraft was the largest recorded MSY-to-ORD delay category, accounting for 35.2% of 44,036 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.3%
Late aircraft35.2%
National airspace30.3%
Weather6.0%
Security0.2%
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.