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WanderNerd

Route Reliability

Santa Ana → Salt Lake City

SNASLC · 588 miles · John Wayne Airport to Salt Lake City International Airport

92
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
2 min
Average arrival delay
0.6%
Cancelled
1,855
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines87%1,753 flights
  2. 2.Frontier Airlines86%101 flights

Not enough history to rank: Allegiant Air (1 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning-you made the right choice.

SNA–SLC flights departing between 6–9 AM arrived on time 92% of the time, versus 79% between 12–3 PM.

Sunday scaries are real for this one.

SNA–SLC flights arrived on time 92% of the time on Wednesdays. On Sundays: 83%.

Not much between Delta Air Lines and Frontier Airlines.

On this route they all land within 86% to 87% on time. Pick on schedule and price.

Trending in the right direction.

SNA–SLC flights arrived on time 92% of the time over the last three months in the data, compared with 82% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon85%(278 flights)
  • Tue89%(259 flights)
  • Wed92%(255 flights)
  • Thu84%(277 flights)
  • Fri87%(280 flights)
  • Sat91%(209 flights)
  • Sun83%(283 flights)
On-time by departure window
  • 6–9 AM92%(366 flights)
  • 9 AM–12 PM91%(412 flights)
  • 12–3 PM79%(367 flights)
  • 3–6 PM86%(399 flights)
  • 6–9 PM88%(297 flights)
On-time trend by month
91%
May

Jun 87% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%143
July 202586%147
August 202590%147
September 202584%146
October 202589%156
November 202586%147
December 202580%159
January 202680%164
February 202687%152
March 202693%168
April 202693%161
May 202691%151

Based on 1,855 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.