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Route Reliability

Salt Lake City → New Orleans

SLC–MSY · 1,429 miles · Salt Lake City International Airport to Louis Armstrong New Orleans International Airport

90
Nerd Approved
WanderNerd Reliability Score
86%
Arrive within 15 minutes
3 min early
Average arrival delay
0.4%
Cancelled
459
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 86% of the time across 459 flights. No comparison to make.

What the data says

Departure time hasn't mattered much.

On-time rates stay between 86% and 88% across the day.

Thursdays have been rough.

SLC–MSY flights arrived on time 91% of the time on Tuesdays and just 73% on Thursdays. That gap is worth planning around.

Flights on this route

The breakdown

On-time by weekday
  • Mon88%(68 flights)
  • Tue91%(67 flights)
  • Wed89%(66 flights)
  • Thu73%(64 flights)
  • Fri89%(64 flights)
  • Sat83%(57 flights)
  • Sun90%(68 flights)
On-time by departure window
  • 9 AM–12 PM86%(362 flights)
  • 12–3 PM88%(92 flights)
On-time trend by month
84%
May

Jun 88% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%32
July 202574%31
August 202590%31
September 202590%30
October 202590%30
November 202590%29
December 202595%41
January 202679%33
February 202683%35
March 202686%51
April 202688%56
May 202684%55

Keep nerding

Based on 459 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.