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Route Reliability

New Orleans → Salt Lake City

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

97
Nerd Approved
WanderNerd Reliability Score
92%
Arrive within 15 minutes
6 min early
Average arrival delay
0.2%
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 92% of the time across 459 flights. No comparison to make.

What the data says

12–3 PM has a slight edge.

Departures between 12–3 PM arrived on time 93% of the time, against 89% between 6–9 PM.

Thursday is the weak spot.

MSY–SLC flights arrived on time 95% of the time on Tuesdays. On Thursdays: 88%.

It basically never cancels.

Out of 459 scheduled flights, only 0.2% were cancelled.

Recent months have been rougher.

MSY–SLC flights arrived on time 88% of the time over the last three months in the data, compared with 96% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon90%(68 flights)
  • Tue95%(65 flights)
  • Wed94%(66 flights)
  • Thu88%(64 flights)
  • Fri92%(65 flights)
  • Sat95%(57 flights)
  • Sun93%(70 flights)
On-time by departure window
  • 12–3 PM93%(351 flights)
  • 3–6 PM91%(11 flights)
  • 6–9 PM89%(93 flights)
On-time trend by month
89%
May

Jun 82% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%34
July 202590%31
August 202597%31
September 2025100%30
October 202597%30
November 202597%29
December 2025100%40
January 2026100%34
February 202689%35
March 202682%51
April 202693%55
May 202689%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.