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Route Reliability

San Antonio → New Orleans

SAT–MSY · 495 miles · San Antonio International Airport to Louis Armstrong New Orleans International Airport

90
Nerd Approved
WanderNerd Reliability Score
85%
Arrive within 15 minutes
1 min
Average arrival delay
0.3%
Cancelled
355
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 85% of the time across 355 flights. No comparison to make.

What the data says

Morning flights do better here.

SAT–MSY flights departing between 6–9 AM arrived on time 100% of the time, versus 71% between 3–6 PM.

Sunday scaries are real for this one.

SAT–MSY flights arrived on time 91% of the time on Mondays. On Sundays: 79%.

It basically never cancels.

Out of 355 scheduled flights, only 0.3% were cancelled.

Slipping a little lately.

SAT–MSY flights arrived on time 85% of the time over the last three months in the data, compared with 88% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon91%(53 flights)
  • Tue88%(43 flights)
  • Wed88%(42 flights)
  • Thu81%(53 flights)
  • Fri87%(55 flights)
  • Sat80%(39 flights)
  • Sun79%(68 flights)
On-time by departure window
  • 6–9 AM100%(31 flights)
  • 9 AM–12 PM93%(81 flights)
  • 12–3 PM83%(211 flights)
  • 3–6 PM71%(17 flights)
  • 6–9 PM—(7 flights)
  • 9 PM–12 AM—(6 flights)
On-time trend by month
90%
May

Jun 83% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202574%31
August 202574%23
September 202595%21
October 202587%30
November 202583%30
December 202581%31
January 202687%30
February 202697%35
March 202672%32
April 202693%30
May 202690%30

Keep nerding

Based on 355 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.