Historical on-time performance
Santa Ana to Salt Lake City
588 miData through May 2026Source: 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)
Cancelled0.6%of scheduled flights
based on 1,657 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 minCancel0.6%Flights1,657
Why flights run late
Delay causes
- Airline45%
- Weather1%
- Air traffic (NAS)9%
- Late aircraft45%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline90%
- Weather10%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 10 cancellations with a reported cause (BTS reports causes from June 2003).
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 (2023-06 .. 2026-05).
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 · 1,667 flights
- Middays85% on time · p90 35 min · 1,683 flights
- Evenings83% on time · p90 35 min · 1,872 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 82% to 90% on time.
- Wednesdays90% on time · p90 10 min · 754 flights
- Tuesdays89% on time · p90 20 min · 753 flights
- Saturdays87% on time · p90 20 min · 642 flights
- Thursdays86% on time · p90 30 min · 777 flights
- Fridays85% on time · p90 30 min · 786 flights
- Mondays84% on time · p90 35 min · 776 flights
- Sundays82% on time · p90 30 min · 785 flights
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