Historical on-time performance
Santa Ana to Salt Lake City
588 miData through Dec 2025Source: US DOT · BTS
Flights on SNA–SLC arrive on time 86% of the time over the last 12 months.
On-time rate86%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 1,607 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time86%Medianon timep9025 minCancel0.5%Flights1,607
Why flights run late
Delay causes
- Airline43%
- Weather0%
- Air traffic (NAS)10%
- Late aircraft47%
- 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 SNA → SLC
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 91% on time.
- Mornings91% on time · p90 10 min · 1,494 flights
- Middays84% on time · p90 35 min · 1,810 flights
- Evenings82% on time · p90 40 min · 1,724 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 82% to 89% on time.
- Tuesdays89% on time · p90 15 min · 737 flights
- Wednesdays88% on time · p90 15 min · 738 flights
- Saturdays86% on time · p90 20 min · 626 flights
- Thursdays86% on time · p90 25 min · 737 flights
- Fridays85% on time · p90 35 min · 740 flights
- Sundays83% on time · p90 25 min · 748 flights
- Mondays82% on time · p90 45 min · 747 flights
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