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

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

73.3% of 1,017 official scheduled MDW-to-MSY flights arrived on time; 15.2% arrived at least 30 minutes late and 1.2% 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
73.3%arrived on time
15.2%30+ min late
1.2%cancelled
1,017scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.0%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+8.2 mincompleted flights

Which departure time was most reliable for MDW to MSY?

Among qualifying MDW-to-MSY departure window results, Early morning had the highest on-time rate: 85.4% of 302 flights. Night was lowest at 56.5% across 154 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning30285.4%6.0%0.7%
Late morning8481.0%10.7%1.2%
Afternoon26466.3%20.5%0.4%
Evening21373.7%16.4%1.4%
Night15456.5%25.3%3.2%

Which weekday was most reliable for MDW to MSY?

Among qualifying MDW-to-MSY weekday results, Tuesday had the highest on-time rate: 85.2% of 135 flights. Sunday was lowest at 63.2% across 182 flights.

DayFlightsOn time30+ minCancelled
Monday14670.5%17.8%1.4%
Tuesday13585.2%10.4%0.0%
Wednesday13080.8%12.3%0.8%
Thursday14468.1%17.4%2.1%
Friday15068.0%16.0%0.7%
Saturday13082.3%9.2%2.3%
Sunday18263.2%20.9%1.1%

Which airline was most reliable for MDW to MSY?

Only Southwest Airlines met the MDW-to-MSY airline threshold: 73.3% of 1,017 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,01773.3%15.2%1.2%

Which month was most reliable for MDW to MSY?

Among qualifying MDW-to-MSY month results, January 2026 had the highest on-time rate: 87.9% of 66 flights. July 2025 was lowest at 55.7% across 97 flights.

MonthFlightsOn time30+ minCancelled
July 20259755.7%30.9%1.0%
August 20258672.1%12.8%1.2%
September 20258179.0%11.1%0.0%
October 20259778.4%16.5%0.0%
November 20257982.3%11.4%3.8%
December 20257973.4%13.9%0.0%
January 20266687.9%7.6%0.0%
February 20266684.8%9.1%0.0%
March 20269373.1%15.1%3.2%
April 20269174.7%8.8%2.2%
May 20269267.4%17.4%0.0%
June 20269060.0%22.2%2.2%

What drove MDW to MSY delay minutes?

Late aircraft was the largest recorded MDW-to-MSY delay category, accounting for 51.6% of 14,277 BTS-attributed delay minutes during July 2025–June 2026.

Airline35.1%
Late aircraft51.6%
National airspace11.8%
Weather0.8%
Security0.7%
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.