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WanderNerd

Route Reliability

San Jose → Salt Lake City

SJCSLC · 584 miles · San José Mineta International Airport to Salt Lake City International Airport

99
Nerd Approved
WanderNerd Reliability Score
93%
Arrive within 15 minutes
7 min early
Average arrival delay
0.5%
Cancelled
1,817
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 Lines94%1,582 flights
  2. 2.Southwest Airlines86%235 flights

What the data says

Morning-you made the right choice.

SJC–SLC flights departing between 3–6 AM arrived on time 96% of the time, versus 87% between 12–3 PM.

Tuesday has been the better bet.

A small edge: 96% on time on Tuesdays against 90% on Sundays.

Delta Air Lines runs this route best.

Delta Air Lines arrived on time 94% of the time on this route; Southwest Airlines managed 86%.

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
  • Mon92%(276 flights)
  • Tue96%(242 flights)
  • Wed95%(238 flights)
  • Thu91%(271 flights)
  • Fri91%(275 flights)
  • Sat94%(223 flights)
  • Sun90%(283 flights)
On-time by departure window
  • 3–6 AM96%(275 flights)
  • 6–9 AM92%(86 flights)
  • 9 AM–12 PM96%(411 flights)
  • 12–3 PM87%(484 flights)
  • 3–6 PM93%(406 flights)
  • 6–9 PM93%(146 flights)
On-time trend by month
92%
May

Jun 91% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%171
July 202590%176
August 202593%165
September 202592%158
October 202593%168
November 202593%152
December 202593%135
January 202696%124
February 202694%125
March 202693%137
April 202693%135
May 202692%162

Based on 1,817 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.