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Route · MSY → SLC · 2020–2025 BTS data

New Orleans to Salt Lake City

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MSY to SLC (New Orleans to Salt Lake City) ranks #4008 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

87.5%
On-time
+8.5 pts
vs US avg
62 min
Delay when late
1,701
Flights
#4008 of 4927
Corpus placement

Cancelled

0.6%

Best Month

Mar 2025 92%

Worst Month

Mar 2025 92%

Distance

1,428 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 41 1 0 1 DL
Oct 2025 30 1 0 0 DL
Sep 2025 30 0 0 0 DL
Aug 2025 31 1 0 0 DL
Jul 2025 31 3 0 0 DL
Jun 2025 34 6 0 0 DL
May 2025 48 8 0 0 DL
Apr 2025 46 3 0 0 DL
Mar 2025 53 4 0 0 DL
Feb 2025 42 5 0 0 DL
Jan 2025 49 2 3 0 DL
Dec 2024 39 8 0 0 DL
Oct 2024 32 1 0 0 DL
Sep 2024 30 4 1 0 DL
Aug 2024 31 3 0 0 DL
Jul 2024 31 5 1 0 DL
Jun 2024 30 2 0 0 DL
May 2024 31 13 0 0 DL
Apr 2024 30 4 0 0 DL
Mar 2024 31 5 0 0 DL
Jan 2024 30 6 0 0 DL
Dec 2023 31 1 0 0 DL
Oct 2023 31 0 0 0 DL
Sep 2023 30 6 0 0 DL

MSY–SLC seasonal on-time pattern

Best: October (93.5%) · weakest: May (78.5%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctDec 91.5%

Strongest calendar month

October

93.5% on-time · ~31 flights/mo

Busiest calendar month

February

~42 flights/mo avg

Weakest calendar month

May

78.5% on-time · ~34 flights/mo

Cancellation Rate

0.6%

5 of 842 flights

Diversion Rate

0.1%

1 of 842 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

MSY - New Orleans

Full on-time, delay-cause, and seasonal performance for New Orleans, LA.

MSY on-time profile

SLC - Salt Lake City

Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.

SLC on-time profile

Compare the two airports

See MSY and SLC side by side on delays, cancellations, and reliability.

Compare MSY vs SLC

Origin-hub reliability standing

Among MSY's stronger departures

MSY → SLC posts a 87.5% on-time rate, landing in the ≥85% band with 5 of 34 BTS-tracked routes leaving New Orleans. The same hub also shows 28 mid-band and 1 challenged departures · fleet-wide on-time rank #515 of 4927 (highest on-time = #1).

What the Data Says About MSY to SLC

New Orleans to Salt Lake City (MSY to SLC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.5% on-time rate across 1,701 flights, with delays that do happen averaging 62.3 minutes. The corridor runs roughly 1,428 miles and is served by 1 carrier. Over the most recent 24 months, 5 of 842 flights were cancelled (0.6%) and 1 diverted (0.1%).

Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.

On the multi-year calendar, MSY–SLC peaks in October at 93.5% on-time while February carries the heaviest traffic (~42 flights per month) ; the softest month is May at 78.5%, a 15.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MSY to SLC rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MSY to SLC ranks #4008 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from MSY to SLC? ▼
Flights from New Orleans to Salt Lake City have a 87.5% on-time rate based on 1,701 flights. The average delay is 62.3 minutes. The best recent month was Mar 2025 with 92% on-time.
What is the cancellation rate for MSY to SLC? ▼
Over the last 24 months, 0.6% of flights on this route were cancelled (5 of 842 flights) and 0.1% were diverted.
How far is the flight from MSY to SLC? ▼
The flight distance from New Orleans (MSY) to Salt Lake City (SLC) is approximately 1,428 miles. This route is served by 1 carrier.

Airports on this route

MSY Airport

New Orleans
SLC Airport

Salt Lake City
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using MSY–SLC data

MSY–SLC runs 8.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare MSY and SLC airport profiles: delay causes and top routes differ even on the same corridor. MSY airport
  • If your dates flex, October (93.5% on-time) beats May (78.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 87.5% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.