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Route Reliability

San Diego → New Orleans

SAN–MSY · 1,600 miles · San Diego International Airport to Louis Armstrong New Orleans International Airport

75
Usually Fine
WanderNerd Reliability Score
72%
Arrive within 15 minutes
12 min
Average arrival delay
0.9%
Cancelled
349
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 72% of the time across 349 flights. No comparison to make.

What the data says

Morning flights do better here.

SAN–MSY flights departing between 9 AM–12 PM arrived on time 87% of the time, versus 51% between 3–6 PM.

Thursdays have been rough.

SAN–MSY flights arrived on time 90% of the time on Wednesdays and just 58% on Thursdays. That gap is worth planning around.

Flights on this route

The breakdown

On-time by weekday
  • Mon67%(51 flights)
  • Tue77%(52 flights)
  • Wed90%(52 flights)
  • Thu58%(50 flights)
  • Fri74%(50 flights)
  • Sat67%(39 flights)
  • Sun69%(52 flights)
On-time by departure window
  • 6–9 AM79%(106 flights)
  • 9 AM–12 PM87%(87 flights)
  • 12–3 PM62%(104 flights)
  • 3–6 PM51%(45 flights)
  • 6–9 PM—(4 flights)
On-time trend by month
74%
May

Jun 70% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%30
July 202563%30
August 202552%25
September 202577%26
October 202565%31
November 202586%28
December 202552%31
January 202689%26
February 202689%27
March 202665%31
April 202687%30
May 202674%31

Keep nerding

Based on 349 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.