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Route Reliability

Chicago → New Orleans

MDW–MSY · 825 miles · Chicago Midway International Airport to Louis Armstrong New Orleans International Airport

78
Usually Fine
WanderNerd Reliability Score
75%
Arrive within 15 minutes
9 min
Average arrival delay
1.0%
Cancelled
1,022
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 75% of the time across 1,022 flights. No comparison to make.

What the data says

Morning flights do better here.

MDW–MSY flights departing between 6–9 AM arrived on time 87% of the time, versus 59% between 9 PM–12 AM.

Sunday scaries are real for this one.

MDW–MSY flights arrived on time 84% of the time on Saturdays and just 69% on Sundays. That gap is worth planning around.

Recent months have been rougher.

MDW–MSY flights arrived on time 74% of the time over the last three months in the data, compared with 83% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon74%(144 flights)
  • Tue83%(132 flights)
  • Wed79%(130 flights)
  • Thu71%(142 flights)
  • Fri70%(147 flights)
  • Sat84%(131 flights)
  • Sun69%(184 flights)
On-time by departure window
  • 6–9 AM87%(291 flights)
  • 9 AM–12 PM85%(89 flights)
  • 12–3 PM78%(127 flights)
  • 3–6 PM63%(165 flights)
  • 6–9 PM73%(200 flights)
  • 9 PM–12 AM59%(138 flights)
On-time trend by month
69%
May

Jun 63% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%93
July 202556%96
August 202577%85
September 202579%81
October 202578%97
November 202586%76
December 202577%79
January 202688%66
February 202685%66
March 202678%90
April 202676%89
May 202669%92

Same trip, other airports

Keep nerding

Based on 1,022 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.