OnTimeStats

Historical on-time performance

Salt Lake City to Santa Ana

588 miData through Dec 2025Source: US DOT · BTS

Flights on SLC–SNA arrive on time 82% of the time over the last 12 months.

On-time rate82%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights

based on 1,606 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

  • Delta Air Lines
    On-time82%
    Medianon time
    p9025 min
    Cancel0.4%
    Flights1,606

Why flights run late

Delay causes

  • Airline57%
  • Weather6%
  • Air traffic (NAS)13%
  • Late aircraft24%
  • Security0%

Most delay minutes here are attributed to Airline.

Over time

On-time trend

By season

On-time rate by month

When to fly

Best time to fly SLC → SNA

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 78% to 88% on time.

  • Overnights88% on time · p90 15 min · 1,093 flights
  • Mornings88% on time · p90 15 min · 1,101 flights
  • Evenings82% on time · p90 35 min · 684 flights
  • Middays80% on time · p90 30 min · 1,103 flights
  • Afternoons78% on time · p90 40 min · 1,091 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 80% to 87% on time.

  • Tuesdays87% on time · p90 20 min · 738 flights
  • Saturdays85% on time · p90 25 min · 625 flights
  • Wednesdays85% on time · p90 20 min · 739 flights
  • Fridays83% on time · p90 25 min · 740 flights
  • Thursdays83% on time · p90 25 min · 737 flights
  • Sundays80% on time · p90 25 min · 747 flights
  • Mondays80% on time · p90 40 min · 746 flights
Advertisement

Keep exploring

Related pages

Methodology

A flight is on time when it arrives within 15 minutes of schedule — the US DOT / BTS standard. Median and p90(the “1-in-10 bad day”) are read from the full arrival-delay distribution, never averaged across periods.

Figures cover a carrier’s own BTS-coded flights. Cells below ~200 flights are flagged as limited data. All numbers are pre-computed from public BTS On-Time Performance data.