Historical on-time performance
New Orleans to Salt Lake City
1,428 miData through Dec 2025Source: US DOT · BTS
Flights on MSY–SLC arrive on time 91% of the time over the last 12 months.
On-time rate91%arrived within 15 min
p90 delay10 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 435 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time91%Medianon timep9010 minCancel0.7%Flights435
Why flights run late
Delay causes
- Airline23%
- Weather4%
- Air traffic (NAS)9%
- Late aircraft64%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MSY → SLC
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 84% to 92% on time.
- Afternoons92% on time · p90 10 min · 214 flights
- Middays92% on time · p90 5 min · 239 flights
- Evenings84% on time · p90 30 min · 739 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 84% to 90% on time.
- Saturdays90% on time · p90 10 min · 160 flights · limited
- Fridays87% on time · p90 20 min · 181 flights · limited
- Sundays87% on time · p90 20 min · 176 flights · limited
- Mondays87% on time · p90 25 min · 182 flights · limited
- Wednesdays87% on time · p90 20 min · 159 flights · limited
- Tuesdays86% on time · p90 30 min · 158 flights · limited
- Thursdays84% on time · p90 20 min · 176 flights · limited
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