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

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

73.1% of 2,402 official scheduled ORD-to-MSY flights arrived on time; 18.7% arrived at least 30 minutes late and 2.0% 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
73.1%arrived on time
18.7%30+ min late
2.0%cancelled
2,402scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.7%all scheduled flights
120+ minutes late3.9%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+9.0 mincompleted flights

Which departure time was most reliable for ORD to MSY?

Among qualifying ORD-to-MSY departure window results, Early morning had the highest on-time rate: 83.5% of 479 flights. Evening was lowest at 56.9% across 654 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning47983.5%11.5%0.8%
Late morning64582.6%11.8%1.2%
Afternoon50975.0%15.9%2.4%
Evening65456.9%30.4%3.2%
Night11560.9%32.2%1.7%

Which weekday was most reliable for ORD to MSY?

Among qualifying ORD-to-MSY weekday results, Tuesday had the highest on-time rate: 79.6% of 328 flights. Sunday was lowest at 68.9% across 354 flights.

DayFlightsOn time30+ minCancelled
Monday36869.0%22.8%1.9%
Tuesday32879.6%14.3%0.9%
Wednesday32075.0%17.2%0.3%
Thursday35674.7%15.4%2.0%
Friday36571.2%19.2%2.7%
Saturday31174.6%18.6%2.9%
Sunday35468.9%22.3%2.8%

Which airline was most reliable for ORD to MSY?

Among qualifying ORD-to-MSY airline results, Envoy Air had the highest on-time rate: 82.2% of 466 flights. American Airlines was lowest at 60.6% across 401 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines84274.2%17.5%1.1%
Envoy Air46682.2%12.2%1.9%
American Airlines40160.6%30.2%2.2%
Republic Airways33577.0%16.1%1.5%
Spirit Airlines21663.4%23.1%6.0%
SkyWest Airlines13177.9%13.0%1.5%
Frontier Airlines1181.8%18.2%0.0%

Which month was most reliable for ORD to MSY?

Among qualifying ORD-to-MSY month results, September 2025 had the highest on-time rate: 88.0% of 142 flights. July 2025 was lowest at 61.9% across 181 flights.

MonthFlightsOn time30+ minCancelled
July 202518161.9%26.5%0.0%
August 202515775.8%15.9%1.9%
September 202514288.0%6.3%0.7%
October 202523585.5%10.2%0.0%
November 202521879.4%13.3%3.7%
December 202518665.6%27.4%0.5%
January 202620072.0%24.0%1.5%
February 202622077.3%16.8%0.5%
March 202624863.7%24.2%6.9%
April 202622568.0%19.1%3.1%
May 202618475.5%15.8%0.5%
June 202620668.4%21.8%2.4%

What drove ORD to MSY delay minutes?

Late aircraft was the largest recorded ORD-to-MSY delay category, accounting for 49.0% of 43,187 BTS-attributed delay minutes during July 2025–June 2026.

Airline26.0%
Late aircraft49.0%
National airspace16.8%
Weather8.1%
Security0.1%
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.